PATHOLOGY

Detailed explanation-1: -Mosquitoes. Close-up of Mosquito (Aedes aegypti) sucking blood on human skin. The mosquito is the single deadliest, most dangerous animal in the world and also one of the smallest. Mosquitoes are estimated to cause between 750, 000 and one million human deaths per year.

Detailed explanation-2: -Plasmodium falciparum malaria-the deadliest-is most common in sub-Saharan Africa, where it causes more than 400, 000 deaths a year, the majority of whom are children under five.