Dengue Prevention

What you need to know…


1. What is dengue fever

2. Symptoms of dengue fever

3. Characteristics of the Aedes mosquito

4. Life cycle of the Aedes mosquito

5. How the Aedes mosquito transmit diseases

6. How to prevent the spread of dengue fever

7. The 10-min Mozzie Wipe-out Exercise

8. Quiz

What is dengue fever?

Dengue Fever is an illness caused by infection with a virus transmitted by the Aedes mosquito.

Symptoms of Dengue Fever


Example of a skin rash due to dengue fever

Do you know…

Dengue Fever and Dengue Haemorrhagic Fever are the most common mosquito- borne viral disease in the world.

If you get a second dengue infection, you can get a worse infection such as dengue haemorrhagic fever and dengue shock syndrome which can be fatal.


Characteristics of the Aedes Mosquito

It bites during the day

It lays its eggs in clean, shady, stagnant water

One distinct physical feature – black and white strips on its body and legs

Close-up of an Aedes mosquito


Do you know…

Only the female Aedes mosquito feeds on blood. This is because they need the protein found in blood to produce eggs. Male mosquitoes feed only on plant nectar.

On average, a female Aedes mosquito can lay about 300 eggs during her life span of 14 to 21 days.

Life cycle of the Aedes Mosquito 1-2 days


Pupae Larvae Eggs

4-5 days 2-3 days

Stagnant water


How Do Aedes Mosquitoes Transmit Diseases…

Mozzie bites an infected person


Healthy person comes down with dengue fever

Infected mozzie bites a healthy person


This is what you can do to help…

Prevent Aedes from Breeding!

Remove ALL sources of stagnant water.

Deny the Aedes mosquito of any chance to breed.

10-Minute Mozzie Wipe-Out Exercise


4 Easy Steps

•Change water in vases/ bowls every other day.


•Add sand granular insecticide to water.


4 Easy Steps

•Remove water from flower pot plates every other day.



4 Easy Steps

•Turn over all storage containers


4 Easy Steps

•Inform your parents or any adults in your household to clear blockages and put Bti insecticide in roof gutters at least once a month


If going on holiday…

If going on holiday..


•Seal off all floor and •Cover all toilet bowls gully traps

If going on holiday..

•Add insecticide to pots and vases, or any other place that could collect stagnant water.

•Leave your contact number with your neighbor so that the NEA can contact you should there be a need to inspect your premises urgently.


Spread the dengue prevention message to others…

Let your family, friends and neighbours know about the dangers of

breeding Mozzies!!


How to Prevent Mozzies from Having a Feast on You!

Wear shoes, socks, long pants and long-sleeved shirt

Use mosquito repellents Mosquito coils Mosquito nets


Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

%d bloggers like this: