dengue guidelines
TRANSCRIPT
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Dengue PreventionWhat you need to know…
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What is dengue fever?Dengue fever is a virus infection caused by the dengue
virus. There are 4 kinds of dengue viruses.
Close-up of an Aedes mosquito
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Aedes mosquito
Aedes Aegypti Aedes Albopictus
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Symptoms of Dengue Fever
Example of a skin rash due to dengue fever
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Do you know…•Dengue fever and dengue haemorrhagic fever are the most common mosquito-borne viral disease in the world.
•Only the female mosquito feeds on blood. This is because they need the protein found in blood to produce eggs. Male mosquitoes feed only on plant nectar.
•The mosquito is attracted by the body odours, carbon dioxide and heat emitted from the animal or humans.
•The female Aedes mosquito searches for suitable places to lay their eggs.
•Aedes are day-biters, most active during dawn and dusk.
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Life cycle of the Aedes mosquito
1-2 days
Stagnant waterStagnant water
EggsLarvaePupae
4-5 days 2-3 days
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How Do Aedes mosquitoes Transmit Diseases...
Mozzie bites an infected person
Infected mozzie bites a healthy person
Healthy person comes down with dengue fever
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This is what you can do to help…
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Prevent Mosquitoes from Breeding!
Remove ALL sources of stagnant water.
Deny the Aedes mosquito of any chance to breed.
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Potential Breeding GroundsPotential Breeding Grounds
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Common Mosquito Breeding GroundsArtificial containers (man-made) Natural containers
1. Flower vases and pot plates
2. Pails, water-storage jars, basins
3. Discarded receptacles
4. Choked roof gutters
5. Gully Traps
6. Unused toilet bowls and cisterns
7. Aircon Tray and dish rack tray
8. Concrete drains
1. Tree Holes, bamboo stumps
2. Leaf axils, fallen leaves
3. Ground Depressions
All these sites require constant inspection !!
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Potential Breeding GroundsPotential Breeding Grounds
Flower Pots Flower Pot Plates
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Potential Breeding GroundsPotential Breeding Grounds
Overflow cistern of the WC Gully Trap
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Potential Breeding GroundsPotential Breeding Grounds
Collar of the toilet bowl
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Potential Breeding GroundsPotential Breeding Grounds
Hardened soil of potted plants
Tree holes
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Potential Breeding GroundsPotential Breeding Grounds
Plant axils
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Potential Breeding GroundsPotential Breeding Grounds
Scupper drains Bamboo pole holders
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Potential Breeding GroundsPotential Breeding Grounds
Barbeque pitRoad side drain
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Potential Breeding GroundsPotential Breeding Grounds
Canvas sheets
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Potential Breeding GroundsPotential Breeding Grounds
Discarded receptacles
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Potential Breeding GroundsPotential Breeding Grounds
Air-con tray
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Potential Breeding GroundsPotential Breeding Grounds
Roof gutters Litter Bins
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The 10-Minute Mozzie Wipe-Out
Exercise
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5 Easy Steps
•Change water in vases/ bowls every
other day.
•Add sand granular insecticide* to water.
1.1.
*You can view the list of retailers carrying sand granular insecticide at the following webpage:http://www.nea.gov.sg/aedes/insecticides
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5 Easy Steps
•Remove water from flower pot plates every
other day.
2.2.
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5 Easy Steps
•Turn over all storage containers
3.3.
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5 Easy Steps
•Inform your parents or any adults in your household to cover
bamboo pole holders when not in use.
4.4.
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5 Easy Steps
•Clear blockages and put Bti insecticide in roof gutters at least
once a month
5.5.
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What Else Can You DoWhat Else Can You Do……Check your landscape
structures for any water retention & mosquito
breeding regularly. Remove these structures if
possible.
Add in prescribed amounts of sand granular
insecticides to stagnant water.
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Use of the Anti-mosquito valve
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If you are going on holiday or vacating
your home…
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If going on holiday..
•Seal off all floor and gully traps
•Cover all toilet bowls
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If going on holiday..
Leave your contact number with your
neighbor so that the NEA can contact you
should there be a need to inspect your premises
urgently.
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Spread the dengue prevention message to others…
Let your family, friends and
neighbours know about the dangers
of breeding mosquitoes
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How to Prevent Mosquitoes Bites
Wear shoes, socks, long pants and long-sleeved shirt
Use mosquito repellents
Mosquito coils
Mosquito nets
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For more information, you can visit the
website at www.dengue.gov.sg