How does Malaria and Dengue spreads?
Dengue the most prevalent arthropod-borne viral (Arborvirus) disease of humans caused by four serotypes of dengue virus (DENV 1-4) of the genus Flavivirus. It is transmitted to man by mosquito Aedes aegypti. It is common in tropical and subtropical countries, especially in coastal areas. Source: Man is infective to mosquito and mosquito transmits the disease to man. Human malaria is an acute and chronic protozoal disease caused by any one or a combination of four species of plasmodia – Plasmodia, vivex, falciparum, ovale & malariae. P. falciparum cause malignant tertian malaria with high fatality rate. The other three species are ‘benign’ . Infections with P. ovale and P malariae are now rare. All forms malaria are transmitted by female anopheles mosquito.