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PANDEMIC - N 08 ISSUE - Know Science
21st PANDEMIC                   CENTURY

                                                                           PANDEMOS

 ISSUE
 N°08
Published
Published    on
          on August September
                    2020, Toronto, 2020, Toronto, CA         www.knowscience.org/pandemos-news/
                                   CA www.knowscience.org/pandemos-news/
PANDEMIC - N 08 ISSUE - Know Science
WHO ARE WE?
     As part of the University of Toronto’s
                                                                                                               @PANDEMOSNEWS
     COVID-19 engagement project, Pandemos
     is a team of undergrad students from across
     Canada and America in an initiative aimed
     at combating untrue information regarding
     the COVID-19 pandemic. We have two main                                                                   PANDEMOS
     goals - distribute true information on a reg-
     ular basis and answer public questions. Pri-
     marily, we provide people with the latest ac-
                                                                                                               HTTPS://KNOWSCIENCE.
     curate information on the pandemic, spread                                                                ORG/PANDEMOS-HOME/
     of the virus, control methods, impacts on
     life, advances in the academic field and var-
     ious news stories through our Social media,
     upcoming website, and our newsletter. Our
     second goal is to provide a platform from
     which we can connect the public to experts.
     This is in the form of a Public Q&A portion
     of our social media, website and newsletter.
     The public sends in questions and we reply
     with answers verified by our team of subject
     matter experts via our social media/website/
     newsletter outlets.

       Disclaimer: The views and information presented in this newsletter, the Pandemos website or Pandemos associated social media is
       not intended to be medical advice. We aim simply to disperse information as it becomes available in today’s ever-changing situation.

01
PANDEMIC - N 08 ISSUE - Know Science
CONTENTS
         03
      Meet The Team

         05
    Meet The Sponsors

         06
     Authored Article

         09
   Academic Research

         13
      News Update

         16
   Statistics and Trends

         22
  Questions and Answers

                           02
PANDEMIC - N 08 ISSUE - Know Science
MEET
        THE TEAM
     Chirag                                     hana

                     Chopra                                   sharifi
       PROJ EC T LE A D E R                      R E S E A RCH E R
       U N I V E RS I T Y O F TO RO N TO ‘ 22    U N I V E RS I T Y O F TO RO N TO ‘ 2 3
       LI FE SCI E N CE S                        LI FE SCI E N CE S

     Chinmayi                                   tanin

                     Balusu                      khorrami taj
      E D I TO R                                 R E S E A RCH E R
      CO LU M B I A U N I V E RS I T Y ‘ 2 3     M CM A S T E R U N I V E RS I T Y ‘ 2 3
      MEDICAL HUMANITIES                         LI FE SCI E N CE S

     joshua                                     Paranjay

                           chong                              Sahanii
      R E S E A RCH E R                          MARKETING
      U N I V E RS I T Y O F TO RO N TO ‘ 24     U N I V E RS I T Y O F TO RO N TO ‘ 2 3
      SOCI A L SCI E N CE S                      I R , ECO N O M I C S & PU B LI C PO LI C Y

03
PANDEMIC - N 08 ISSUE - Know Science
Samiha                                        Xin Yi

                   Tahsin                                                       Lim
 DESIGNER                                       DESIGNER
 U N I V E RS I T Y O F TO RO N TO ‘ 2 3        U N I V E RS I T Y O F TO RO N TO ‘ 2 3
 A RCH I T EC T U R A L S T U D I E S           LI FE SCI E N CE S & S PA N I S H

Yi

                             Lian
 MARKETING
 QU E E N ’ S U N I V E RS I T Y ‘ 24
 CO M M E RCE

MEET
  THE EXPERTS
Dr. Jeremy                                    Dr. Roizar

                    Kamil                               Rosales
 A SSOCI AT E PRO FE SSO R O F M I CRO -       R E S E A RCH FE LLOW
 B I O LOG Y A N D I M M U N O LOG Y           U N I V E RS I T Y H E A LT H N E T WO R K ,
 LOU I S I A N A S TAT E U N I V E RS I T Y    TO RO N TO

                                                                                              04
PANDEMIC - N 08 ISSUE - Know Science
MEET THE
         SPONSORS
                      F U N D I N G

                                      U N I V E RS I T Y
                                      O F TO RO N TO

          M A R K E T I N G

     PROS PEC T I V E M E D I C A L                        K N OW
     PRO FE SS I O N A L S                                 SCI E N CE

05
PANDEMIC - N 08 ISSUE - Know Science
AUTHORED
 ARTICLE

 JOSHUA CHONG
                06
PANDEMIC - N 08 ISSUE - Know Science
HOW WILL THE COVID-19 PANDEMIC
      AFFECT THE GLOBAL RESPONSE TO THE
               CLIMATE CRISIS?

     T
              he   COVID-19    pandemic       has   including COP26 and The World Conser-
              led to the largest reduction in       vation Congress, have been delayed due
              carbon emissions ever recorded.       to the pandemic.
     As jurisdictions around the world were
     placed    under   lockdown     and    major    Due to the pandemic, many individuals
     economies     came   to   a   halt,   global   have also adopted environmentally-det-
     emissions levels plummeted. Major cities       rimental habits that could continue for
     once riddled with hazard smog are now          years to come. COVID-19 has dramat-
     recording lower levels of air pollution; in    ically increased the use of plastic such
     some major cities in Canada, pollution         as gloves, masks, and cutlery. The use of
     levels dropped as much as 40 percent.          cars is also expected to increase after the
                                                    pandemic due to lingering fears of using
     But despite historic declines, experts are     public transportation.
     warning that the change is only tempo-
     rary and that once economies rebound
     from the pandemic, so too will pollution
     levels. “We are certainly going to see a
     bounce-back as we have with previous
     economic recessions,” said Monica Gat-
     tinger of the University of Ottawa.

     In fact, a post-pandemic world may
     see accelerated levels of emissions as
     governments shift their attention from
     climate change mitigation projects to
     policies focusing on fast economic revo-
     ries. In the US, President Trump signed an
     executive order that allows federal agen-
     cies to cancel environment reviews for
     infrastructure projects. Additionally, mul-
     tiple international climate conferences,

07
PANDEMIC - N 08 ISSUE - Know Science
The emissions rebound predicted by           Yet, the changes to individual behaviour
many scientists has already been detect-     will not be enough to alter the course of
ed. A report published by the UN reveals     the climate crisis, according to several re-
that by June 2020, when lockdown pol-        searchers who highlight that government
icies began to lift, emission levels were    has a key part to play as well. “Changes
within five percent of the previous year.    aren’t permanent without some serious
                                             policy effort and serious investment,” said
The report paints a dire picture of the      Robb Barnes, executive director of Ecolo-
climate crisis: in order for the world to    gy Ottawa.
hold below the threshold of 1.5 degrees
celsius of warming (since preindustrial
times), there would need to be pandem-
ic-sized carbon cuts every year for the      SOURCES:
next decade.
                                             https://ottawacitizen.com/news/lo-
                                             cal-news/how-covid-19-could-alter-
Some scientists, however, are hope-
                                             the-course-of-climate-change
ful that countries around the world will
adopt a green recovery plan as they          https://blogs.ei.columbia.
recover from the economic ramifications      edu/2020/06/25/covid-19-impacts-cli-
of the pandemic. The European Union,         mate-change/
for example, pledged 750 billion euros
dedicated to a green economic recovery       https://www.bbc.com/news/science-en-
                                             vironment-54074733
which sets a 2050 goal for net carbon
neutrality in the EU. South Korea also
                                             https://www.bbc.com/news/science-en-
introduced a Green New Deal that would
                                             vironment-52485712
see the country become carbon neutral
by 2020.

Experts also point to positive habits that
have been borne out of the pandemic and
could be continued going forward – rou-
tines such as working from home, biking
and walking, and supporting more local
supply chains.

                                                                                            08
PANDEMIC - N 08 ISSUE - Know Science
ACADEMIC
     RESEARCH
     TANIN KHORRAMI TAJ

09
LINKING STEROID                                    range was within 52 to 68 years. The

TREATMENT TO LOWER                                 following patients were then divided
                                                   into two groups, one was given steroids,
MORTALITY RATES IN                                 while the other was given a placebo.
COVID-19 PATIENT                                   After 28 days, the patients’ conditions
        Authors: Jonathan A. C. Sterne,            were analyzed, and the results indicated
    and the WHO Rapid Evidence Ap-                 that the risk of death for those who took
 praisal for COVID-19 Therapies (RE-               steroids was 32% and the risk of death
                     ACT) Working Group            for those who took a placebo was 40%.
         https://jamanetwork.com/journals/jama/    According to Stern and his team, ste-
                             fullarticle/2770279   roids should be part of a standard treat-
        New research by Jonathan Stern             ment when it comes to those suffering
and his colleagues at the Universi-                from a severe case of COVID-19.
ty of Bristol in the UK, reveals that the
mortality rate of those severely ill with
COVID-19 appears to decrease when                  COVID-19 LINKED TO
corticosteroid drugs are given. Stern’s            CASES OF ENCEPHALITIS
research team conducted seven ran-                            Authors: Antônio Kleiton de
domized trials and analyzed more than                 Sousa, Diva de Aguiar Magalhães,
1,700 people across 12 countries on 5              Jayro dos Santos Ferreira, André Luiz
continents. Moreover, the patients’ age                                    dos Reis Barbosa
range was within 52 to 68 years. The
                                                           https://www.sciencedirect.com/science/
follo                                                              article/pii/S0306987720314754
                                                         A study from Medical Hypothe-
                                                   ses on Elsevier suggests that Corona-
                                                   virus also has a neuroinvasive capacity
                                                   and therefore can cause infections in
                                                   the central nervous system (CNS). Fur-
                                                   thermore, triggering symptoms such as
                                                   headaches, nausea, mental confusion,
                                                   and the loss of smell or taste. Based
                                                   on past patients who were affected by
                                                   SARS-CoV, this study implies that there
                                                   is a possibility that the spread of SARS-
                                                   CoV-2 in the brain tissue occurs through
                                                   the circulatory system. This connection
                                                   between the SARS-CoV genome and

                                                                                                    10
SARS-CoV-2 was detected because                     derstanding of this observation, clinical
     both genomes interacted with angioten-              and laboratory data of 42 patients with
     sin-converting enzyme type 2 (ACE2), a              an average age being over 65 years, were
     protein that is located in the brain tissue         analyzed. Their results then showed that
     of infected patients.                               81% of these patients had vitamin D de-
                                                         ficiency. It was also concluded that after
           That being said, this study sug-              10 days of hospitalization, those with
     gests that SARS-CoV-2 can cause in-                 severe vitamin D deficiency had a 50%
     flammation pertaining to the brain                  mortality risk meanwhile, those with
     (Encephalitis) by having the ability to             sufficient vitamin D had a 5% mortality
     increase the stimuli at the angiotensin             risk.
     2 receptor (AT2R), which then increas-
     es the activation of the immune system                      With that in mind, the observa-
     cells. Furthermore, leading to brain in-            tions from this study suggest that pro-
     juries and severe inflammation through              viding vitamin D supplementations as
     vascular damage and finally, destruc-               a supportive treatment for patients of
     tion to the blood-brain barrier.                    COVID-19 could be beneficial. Further-
                                                         more, the study mentions that vitamin
                                                         D supplementations may not protect
     CORRELATION BE-
                                                         against COVID-19 infections, however,
     TWEEN VITAMIN D DE-                                 may reduce the severity of the disease
     FICIENCY AND PATIENTS                               itself and therefore, reducing the risk of
     OF COVID-19                                         mortality.
              Authors: G. E. Carpagnano, V.
        Di Lecce, V. N. Quaranta, A. Zito, E.
      Buonamico, E. Capozza, A. Palumbo,
        G. Di Gioia, V. N. Valerio & O. Resta
            https://link.springer.com/article/10.1007/
         s40618-020-01370-x?ref=theprepping-com

           A study was completed by re-
     searchers of Journal of Endocrinological
     Investigation observing COVID-19 pa-
     tients with severe cases of respiratory
     failure, to analyze their vitamin D levels
     in order to determine if there is a cor-
     relation with the severity of the case and
     the treatment process. To obtain an un-

11
RELATIONSHIP BE-                               at a greater risk of SARS-CoV-2 infec-

TWEEN ABO BLOOD                                 tion, while patients with blood type O,
                                                were at a lower risk. Furthermore, in
GROUP DISTRIBUTION                              terms of symptom distribution, fever
AND CLINICAL CHARAC-                            and cough were more common in pa-
TERISTICS IN PATIENTS                           tients with type A, and less common in

WITH COVID-19                                   patients with type O.

      Authors: Yuqin Wu, Zhicai Feng,
                        Peng Li, Qizhi Yu
       https://www.sciencedirect.com/science/
     article/pii/S0009898120302904?casa_to-
ken=OGWUKGDnwWsAAAAA:gk4Th70CREgG-
  pGMIi_u9-ShAHQYHQpSrypKzqmwvPwwoY_
              CEZkaFPAveIUpATv_Iuj6qbzx0YQ

      The ABO blood group mainly con-
sists of the A and B antigens and their
corresponding     antibodies.    Therefore,
establishing 4 different genetic pheno-
types ( A, B, O, and AB). It is the dif-
ference in antigen expression in these
blood types that can either increase or
decrease one’s vulnerability to various
infections.

      A new study from Clinica Chimi-
ca Acta analyzed the general and clini-
cal characteristics of 187 COVID-19 pa-
tients at The First Hospital of Changsha,
by dividing the patients into 4 groups
based on their ABO blood type. After-
wards, the researchers compared the
obtained data to a control group, which
consisted of non-COVID-19 patients
who were hospitalized during the period
of this study.

      Finally, the ramifications conclud-
ed that patients with blood type A were

                                                                                          12
NEWS UPDATE
     CHIRAG CHOPRA
13
NBA PLAYER DANUEL                           that House’s actions compromised the
                                            integrity of the bubble, the playoffs and
HOUSE REMOVED                               the health and safety of all NBA mem-
FROM PLAYOFFS FOR                           bers, so he would be disqualified from

VIOLATING COVID-19                          further games. This comes at a time
                                            when the Houston Rockets trail 3 to 1 in
PROTOCOL                                    a best of seven series which makes the
      Houston Rockets forward Danuel        upcoming game that House will not par-
House was removed from the playoffs         ticipate in a “make it or break it” moment
earlier this week for bringing an unau-     for the team.
thorised guest into the NDA’s Disney
World campus. To prevent an outbreak
of COVID-19 within NBA teams, the As-
                                            BIODEGRADABLE PPE -
sociation has confined their players and    THE ENVIRONMENTAL-
staff to a so-called ‘bubble’ in Orlando,
                                            LY CONSCIOUS CHOICE
Florida. To create this safety ‘bubble’,
                                                  With the prevalence of single
the NBA ensured that everyone enter-
                                            use masks, gloves and other protective
ing the campus had been tested neg-
                                            equipment surging, environmentalists
ative for the virus repeatedly and once
                                            are concerned about how this new type
a person has entered the ‘bubble’ they
                                            of waste will impact the environment. Al-
may not leave or allow others from the
                                            ready, in cities around the world, masks
outside to enter. The Association claims
                                            and gloves can be seen littering the
                                            roadsides. Authorities are also report-
                                            ing large numbers of masks and gloves
                                            polluting the oceans. To tackle this issue,
                                            researchers and companies around the
                                            world have now developed and begun
                                            to commercialize biodegradable masks.
                                            Researchers at the University of British
                                            Columbia have developed the world’s
                                            first biodegradable N95 class mask.
                                            Touted as the ‘Can-Mask’, it is made
                                            from inexpensive wood fibres and en-
                                            tirely compostable. Other masks made
                                            from compostable coffee filters and even
                                            bacteria-grown masks are in the works

                                                                                          14
and will likely be made available to con-
     sumers in the near future. It is important
     to note that none of these products have
     been certified by health authorities as
     of yet, but once further testing is com-
     plete and certifications registered, these
     products are likely to usher the new age
     of public use, socially conscious PPE.

     COVID-19 PUTS ECO-
     NOMIC STRESS ON
     NORTH KOREA. NORTH
     KOREA REACTS
           Due to the pandemic, North Korea
     has had to shut down its border with Chi-
     na, a country that accounts for the vast
     majority of North Korea’s trade and aid.
     Needless to say, it is very difficult to as-
     certain the exact effects of the pandem-
     ic on this reclusive nation, we rely on the
     few sources of news that report on ex-
     ternal intelligence. The border shutdown
     has decreased the amount of essentials
     coming into the country which, accord-
     ing to the US, has fuelled an increasing
     demand for smuggled goods. To limit
     illegal crossings across the Chinese
     border that may bring COVID-19 to
     North Korea, the US claims that the
     North has instituted shoot to kill orders
     along their border with China.

15
STATISTICS
& TRENDS

BY HANA SHARIFI
                  16
CHILDREN ARE GOING BACK TO SCHOOL:
       WHAT THAT MEANS IN REGARDS TO
            FLATTENING THE CURVE

     I
         t’s early September – the time of       As of reports made on August 27, 2020,
         year that signals back-to-school        there were a total of 476,439 total child
         season.                                 COVID-19 cases reported, and children
                                                 represented approximately 9.5% of all
     America is one step ahead of Canada in      cases.
     opening schools and the trends in cases
     are sending a clear message: the virus      Though hospitalization and death may be
     is spreading, outbreaks are cropping up,    rarer in children, the reopening of schools
     and cases are going up.                     has dramatically increased the number of
                                                 cases. From August 13, 2020, and August
     In the United States, state-level reports   27, 2020, the change in child COVID-19
     are the best publicly available data on     cases was 70,330, a 17% increase in just
     child COVID-19 cases. The American          two weeks.
     Academy of Pediatrics and the Chil-
     dren’s Hospital Association have collab-    This upward trend in the number of cas-
     orated to collect and share data from       es as schools reopen is far from a new
     states on child COVID-19 cases, and         phenomenon. In fact, an analysis from
     on August 27, the health department         May 2020, when more than 20 countries
     websites of 49 states provided data on      began reopening schools, already re-
     reported COVID-19 cases, distributed        vealed significant increases. The trends
     by age. Although children represent just    of these schools which opened earlier in
     9.5% of all cases in these states, over     the pandemic can be examined to predict
     476,000 children have tested positive       what may happen to schools that are
     for the virus since the beginning of the    now beginning to open in the fall.
     pandemic. However, COVID-19-asso-
     ciated hospitalization and death are        On average, countries reopened schools
     uncommon in children. It appears that       25 to 30 days after the peak of new
     severe illness due to COVID-19 is rare      cases. Of the twenty countries that have
     among children.                             reopened, only three – Madagascar, the
                                                 Czech Republic, and Vietnam – appear to
                                                 show an upward trend of new daily cases

17
when schools reopened.                        Korea, which has one of the finest test
                                              and trace systems in the world, closed
Optimistically, countries that have al-       around 250 schools near the capital on
ready opened their schools have contin-       May 28 just after they opened, since an
ued their downward trend in new cases.        increase of 79 cases was reported.
However, there are, of course, exceptions.
Governments will need to use regional
and sub-regional case data to make de-
cisions regarding school closures if spikes
in new cases occur. For example, in South

These trends can be seen in Figure 1.
Figure 1: Daily new cases in countries that have reopened schools
Note: Time is measured in days since schools reopened. Lines show a 7-day moving
average of daily cases beginning 9 days prior to when schools closed
Source: https://www.cgdev.org/blog/back-school-tracking-covid-cases-schools-reopen

                                                                                        18
In figure 2, it is clear that very few countries actually saw any change after schools
     reopened.
     Figure 2: Daily new cases in countries that have reopened schools (by country)
     Source: https://www.cgdev.org/blog/back-school-tracking-covid-cases-schools-reopen

     The next batch of countries to reopen schools showed yet different trends, as seen in
     Figure 3.

19
Figure 3: Daily new cases in countries soon to reopen schools
 Source: https://www.cgdev.org/blog/back-school-tracking-covid-cases-schools-reopen

School closures are not the only thing that has an effect on COVID-19 cases, however.
School closures and reopenings happen in tandem with other policy changes, as seen in
figure 4.

 Figure 4
 Note: This sample only includes the 20 countries shown in Figures 1-3 which have al-
 ready opened schools.
 Source: https://www.cgdev.org/blog/back-school-tracking-covid-cases-schools-reopen

H
            owever, American schools that      by the American Academy of Pediatrics
            have begun to open show a          and the Children’s Hospital Association.
            wildly different trend. Over the   Dr. Thomas Dobbs, Mississippis’s health
 last four weeks, as schools in Georgia,       director, reported that at least 22 schools
 Mississippi, Tennessee, and Indiana are       in the state saw an increase in cases
 beginning to open their doors, there          since classes began.
 has been a 90% increase in the number
 of COVID-19 cases among students in
 the U.S., according to a recent analysis

                                                                                             20
These upward trends have pushed other
     schools to delay their opening. At least    https://www.ctvnews.ca/health/
     27 of the largest 101 school districts in   coronavirus/what-s-happened-
     the U.S. have delayed their first week of   in-american-schools-since-
     classes.                                    reopening-1.5065769

     Canada is seeing similar upward trends.     https://www.cbc.ca/news/canada/
     Quebec has seen 46 schools (including       toronto/covid-ontario-education-
     preschool, elementary, secondary, and       minister-stephen-lecce-1.5713905
     adult career centres) with at least one
     case since reopening, which is worrying
     parents in Ontario.

     However, Ontario has mandated masking
     in classrooms while Quebec has not, and
     additionally, more than 600 public health
     nurses will be stationed in schools this
     fall.

     As of September 5, Ontario reported 169
     new cases of COVID-19. The total num-
     ber of cases in Ontario now stands at
     43,003, which includes 2,811 deaths and
     38,847 cases marked as resolved.

     SOURCES:
     https://services.aap.org/en/pag-
     es/2019-novel-coronavirus-covid-19-in-
     fections/children-and-covid-19-state-
     level-data-report/

     https://www.cgdev.org/blog/back-
     school-tracking-covid-cases-schools-
     reopen

21
QUESTION
   &
ANSWER     22
As schools across North America open,       COVID-19 and kids shows us that:
questions about safety are on everyone’s          •     Kids seem to be less likely to be
mind. Hence, the Questions and Answers        infected than adults
section of this issue of the 21st Century         •     Kids seem to be less likely to
Pandemic are specific to the theme of         suffer severe symptoms
reopening schools.                                •     Kids seem to be less likely to
                                              transmit the virus

Q1                                                    Especially in a pandemic, there
My child goes to a small school             is no such thing as ‘no’ risk. Hence, all
in a small town. What really                we can do is try to reduce any risk that
is the risk of my child getting             is present. The risk can be mitigated by
COVID-19?                                   healthy policies implemented by schools
                                            and       authorities.   Enforcing   masks,
      Evidently, the exact risk depends     promoting social distancing, structuring
on a multitude of factors - being a small   free time, making symptom tracking
town or far from outbreak centres is a      policies, introducing safety infrastructure
great advantage, but we must still be       like plastic barriers, etc. are all ways that
vigilant as it only takes one infected      schools can prevent and limit outbreaks.
person to start an outbreak. Before we      Additionally, the effectiveness of these
discuss risk factors further, we should     policies rely on individual belief in
acknowledge that recent research on         the policies and adherence to them.
                                            Encourage anyone in school communities
                                            to stick to public health policies and
                                            even if it isn’t mandated, everyone is
                                            encouraged to wear masks as much as
                                            possible, socially distance, constantly
                                            wash/sanitize hands and do not touch
                                            your face/mouth. A mass cooperative
                                            effort by everyone to abide by public
                                            health recommendations is our best bet
                                            to reduce risk.

                                            Q2
                                            What can schools do to
                                            prevent transmission?

                                                                                            23
• Install no-contact infrastructure
      Let’s be clear, there are immense    • Keep surfaces clean
issues in bringing back large amounts      • Focus on bathroom hygiene
of students and staff indoors during
a pandemic. There is no perfect plan,      HEALTHY POLICIES
just less bad options. Moreover, there     Building a culture of health, safety, and
is no one strategy that can apply to all   shared responsibility.
schools, since schools are limited by      • Establish and reinforce a culture
budget, resources, access to space and        of health, safety, and shared
staff. After some online research, we         responsibility
found a concise and effective overview     • Form a COVID-19 response team
of what schools can and are doing made        and plan
by Schools For Health.                     • Prioritize staying home when sick
                                           • Promote viral testing and antibody
HEALTHY CLASSROOMS                            testing
Following safe practices in classrooms.    • Establish plans for when there is a
• Wear masks                                  case
• Wash hands frequently                    • Support remote learning options
• Maximize physical distancing to          • De-densify school buildings
   protect individuals                     • Protect high-risk students and staff
• Maximize group distancing to slow        • Increase outdoor air ventilation
   transmission chains
• Disinfect objects between users          HEALTHY SCHEDULES
                                           Moving between rooms and
HEALTHY BUILDINGS                          locations safely.
Breathing clean air in the school
building.                                  • Manage transition times and
• Increase outdoor air ventilation            locations
• Filter indoor air                        • Make lunchtime safer
• Supplement with portable air             • Rethink transportation
   cleaners                                • Modify attendance
• Verify ventilation and filtration
   performance                             HEALTHY ACTIVITIES
• Consider advanced air quality            Enjoying modified activities.
   techniques
• Use plexiglass as physical barrier       • Provide recess
                                           • Modify physical education

                                                                                       24
• Reimagine music and theater classes      droplets and short-range aerosols
• Continue sports with enhanced            produced when an infected person
  controls                                 coughs, sneezes, or talks in close
• Add structure to free time               proximity to other people. At
                                           this time, long-range airborne

Q3                                         transmission does not appear
                                           to be a primary way COVID-19
How can Teachers and Staff
                                           spreads. There is not yet clear
limit their risk of getting the            evidence that ventilation systems
disease?                                   spread the virus from space to
                                           space causing exposures. Studies
The CDC recommends preventative            indicate that people who are
actions under 3 main categories of risk    not showing symptoms (i.e.,
mitigation:                                asymptomatic) can still spread the
                                           virus. COVID-19 exposure may also
1. Distance between staff and              occur from touching one’s mouth,
   others: In addition to their primary    nose, or possibly eyes after contact
   job functions and interaction with      with contaminated surfaces or
   students, school staff may also be      objects, such as office equipment,
   near (within 6 feet ) one another       workstations, or break room tables.
   at times, such as when arriving at
   school and during breaks. Shared
   spaces and shared transportation
   to and from the school may increase
   their risk. These can be mitigated or
   minimized with good practices.

2. Duration of contact: Extended
   contact (15 minutes or greater) with
   potentially infectious individuals
   increases the risk of COVID-19
   spread. Reducing contact to brief
   interactions can reduce risk.

3. Type of contact: Current evidence
   indicates that COVID-19 spreads
   primarily through respiratory

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21 S T CE N T U RY PA N D E M I C   W W W. K N OWSCI E N CE .O RG / PA N D E M OS - N E WS /   I SSU E 07
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