mosquito – n. a small, flying insect that bites the skin of people and animals and sucks their blood

parasite – n. an animal or plant that lives in or on another animal or plant and gets food or protection from it

assistant – n. a person who helps someone

data – n. facts or information used usually to calculate, analyze, or plan something

sub-Saharan – adj. the area of Africa that is south of the Sahara Desert

epidemiology – n. the study of how disease spreads and can be controlled