Malaria is a common tropical disease caused by plasmodiumparasites. The parasites spread to human through the bites of infected female anopheles mosquitoes called “malaria vectors”.

There are 5 parasites specie that cause malaria in humans, and 2 of these namely Falciparum and Vivax pose the greatest threat to life.

World Health Organisation (WHO) has recommended the most effective and efficient method of controlling the spread of these parasite. It is known as Indoor Residual Spray ( IRS) using public health pesticides that is odorless and environmentally friendly. Instead of spending huge sums on aerosol that is harmful to health, the adult female mosquitoes can be eliminated constantly for a minimum period of 3 months and maximum 6 months depending on the monthly outdoor Spray to eliminate the eggs, larva and pupa

more details here https://www.caldanypest.com.ng/2020/03/05/mosquitoe-malaria-vector/