DENGUE PREVENTION CHECKLIST
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DENGUE PREVENTION
CHECKLIST
Please complete the following checklist during the June holidays and submit
the completed checklist to your teacher to exchange for a small token after
school re-opens:
Breeding Site Type Checked Date Checked Date
Flower Vases/Bowls
Pails/Pail Rims and
Ornamental Fountains
Plant/Flower Pot Plates
Bamboo Pole Holders
(ask adult to help)
Roof Gutters (ask adult to help)
Gully Traps (ask adult to help)
Dish Rack Tray
Hardened Soil
DENGUE HOTLINE 1800-x-Dengue (1800-9336483)
Signature EMAIL dengue@nea.gov.sg
Name: School: of Parent WEBSITE www.dengue.gov.sgGENERAL INFORMATION LIFE CYCLE OF
ON DENGUE MOSQUITOES
DENGUE SITUATION Under optimal conditions, the egg of an Aedes mosquito
can hatch into a larva in less than a day. The larva then
• There are 4 serotypes of takes about four days to develop into a pupa, from which an adult mosquito will
dengue viruses in Singapore. emerge after two days. Three days after the mosquito has bitten a person and
The predominant serotype has taken in blood, it will lay eggs, and the cycle begins again.
been dengue virus serotype V2
(DENV2) since 2007.
• Historical records show that
a switch in the predominant 1-2 days 2-3 days
DENV1 DENV2 DENV3 DENV4
dengue serotype occurs every
Dengue Situation (2007)
few years and is usually
accompanied by a significant Mosquito
increase in dengue cases. This is
because populations have lower
immunity to the non-dominant
serotypes and are therefore more
susceptible to infections with
these serotypes. Pupae Eggs
Larvae
• Mosquitoes carrying the dengue
virus are able to bite and infect DENV1 DENV2 DENV3 DENV4
many people in the neighbourhood, Emerging Trend (2013)
and thus continue the chain of 3-4 days 1 day
disease transmission.
Stagnant Water
WHAT ARE THE SYMPTOMS OF DENGUE?
HOW IS DENGUE TRANSMITTED
1. A female Aedes mosquito becomes 3. The previously infected person
infective after biting and sucking eventually recovers and becomes
blood from an infected person immune to the serotype that he/she
carrying the virus in his/her blood. was infected with.
High Fever Severe Muscle Pains Rashes Nausea and 2. The virus is then passed on to 4. However, the recovered person
Headache and Vomiting healthy people when the infective can still be infected with the other
Joint Pains Aedes mosquito bites them. 3 serotypes as he/she does not have
immunity against them.PREVENTIVE
STEPS
Change water in
DO THE 5-STEP MOZZIE WIPEOUT vases/bowls on
alternate days
Change water in vases/bowls on Turn over all water
Change water in
alternate days storage containers Change waaltteerrniantvases/bowls Change waaltteerrniantvases/bowls vases/bowls on
on e days on e days
alternate days
Remove water from flower pot Cover bamboo pole holders Turn over all
Change waaltteerrniantvases/bowls water storage
plates on alternate days when not in use on e days
containers
If you stay in a dengue cluster area,
• Spray dark corners such as under
the bed, behind the cabinet, around
curtains and around toilets with
aerosol cans (insecticide) to kill
adult mosquitoes
• Apply insect repellent or wear light Turn over all
Clear blockages and put Bti coloured clothing with long pants water storage
containers
insecticides in roof gutters monthly and sleevesTurn over all Cover bamboo water storage pole holders containers when not in use Turn over all Cover bamboo water storage pole holders containers when not in use Remove water from Clear blockages and flower pot plates put Bti insecticide in on alternate days roof gutters monthly Remove water from Clear blockages and flower pot plates put Bti insecticide in on alternate days roof gutters monthly
WAYS TO PREVENT
MOSQUITO BREEDING
Remove all
stagnant water PRIOR TO A VACATION
Before going on your vacation, please take the following measures to safeguard
your home and your neighbours.
Remove all
stagnant water Seal off the Cover all floor traps
Cover all toilet bowls in overflow pipe of the
your home flushing cistern
Remove all
stagnant water
Add sand granular
insecticides to places
that mosquitoes could Clear blockages and Turn over all water
potentially breed, such as add Bti insecticide in storage containers
flower vases and places roof gutters
where stagnant water
could not be removed
Remove all • Ask a relative or close friend to check your home regularly for stagnant water if you
stagnant water are going away for a long period of time
• Leave your contact with your neighbours or the neighbourhood police post/centre so
that you can be reached easilyDENGUE COMMUNITY DENGUE PREVENTION
ALERT SYSTEM CHECKLIST
GET TO KNOW THE DENGUE ALERT COLOUR CODES Please complete the following checklist during the June holidays and submit
the completed checklist to your teacher to exchange for a small token after
A three-colour coded (yellow, red, green) dengue community alert system has school re-opens:
been set up to inform residents on the localised situation and precautionary
actions to take.
Breeding Site Type Checked Date Checked Date
Alert: YELLOW
“There are less than Flower Vases/Bowls
10 cases in your
Pails/Pail Rims and
neighbourhood”
Ornamental Fountains
TAKE ACTION! Plant/Flower Pot Plates
Do the mozzie wipeout Apply repellent & wear long- Spray insecticide in dark
once a week sleeved shirts and pants corners such as under the bed, Bamboo Pole Holders
sofa and curtains at home (ask adult to help)
Alert: RED Roof Gutters (ask adult to help)
“There are more
than 10 cases in your Gully Traps (ask adult to help)
neighbourhood”
Dish Rack Tray
TAKE ACTION!
Do the mozzie wipeout Apply repellent & wear long- Spray insecticide in dark
Hardened Soil
every alternate day sleeved shirts and pants corners such as under the bed,
sofa and curtains at home
Take part in NEA campaign
activities in the area
Alert: GREEN
“Thank you for your efforts
to fight against dengue.
Please remain vigilant”
TAKE ACTION!
Continue to do the mozzie wipeout once a week Spray insecticide in dark cornersYou can also read
