QUESTION What is malaria, and drug binding site? ANSWER Malaria is caused by a single-celled protozoan parasite of the genus Plasmodium. Five kinds of Plasmodium are known to infect people: P. falciparum, P. vivax, P. ovale, P. malariae and P. knowlesi. There is no one drug binding site with respect to malaria: different anti-malarial drugs have different modes of action, and not all … [Read more...]