A new, comprehensive map of all the genes essential for blood infections in Plasmodium knowlesi (P. knowlesi), a parasite that causes malaria in humans, has been generated by researchers at Harvard T.
Four species of parasitic worms (Ascaris lumbricoides, Trichuris trichiura, and the hookworms Ancylostoma duodenale and Necator americanus) are responsible for soil-transmitted helminthiases (STH).