DENGUE FEVER Rakesh R Territory Sales Manager
What is Dengue ? • A viral diseases caused by bite of infected female aedes mosquitoes. • It is caused by any one of four closely related dengue viruses (DENV 1, DENV 2, DENV 3, or DENV 4).
How the disease spreads • The most important vector species is a mosquito belonging to aedes genus. • When infected female mosquitoes feed on human blood and the virus is transmitted to Human. • Their one meal often comes from 4-5 people. • The virus also transmitted to her off spring via eggs.
How Do Aedes Mosquitoes Transmit Diseases... Mosquito bites and sucks blood containing the virus from an infected person. And passes the virus to healthy people when it bites them. Virus is carried in its body.
Aedes Mosquito- Features One distinct physical feature – black and white stripes on its body and legs. Bites during the day. Lays its eggs in clean, stagnant water.
Do you know… • Only the femaleAedes 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 femaleAedes mosquito can lay about 300 eggs during her life span of 14 to 21 days.
1-2 days Larvae Eggs Pupae 4-5 days 2-3 days Stagnant water Life cycle of the Aedes Mosquito
Source of breeding The flight range for this vector is 100m from the breeding sites, the reason why dengue or chikuungunya cases are found in clusters in an area
Symptoms of Dengue Fever Dengue is also called as break bone fever for the severe joint pain it brings
This is what you can do…
Remove ALL sources of stagnant water. Deny the Aedes mosquito of any chance to breed. Prevent Aedes from Breeding
Turn over all pails and water storage containers.
Do not litter. Rubbish such as cups and bottles can collect rain water and breed mosquitoes.
Prevention • Using repellent – Citronella oil • Fixing of Mosquitoes nets in Windows. • Keeping door close during late evening and early morning ( Dawn and dusk period) • Avoid dumping of clothes and reduce water stagnation in your home and surrounding areas. • wear full sleeves clothes • Treat your home some insecticidal spray. ( Indoor Residual Spray)