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Malaria: A Major Global Health Problem Malaria is an infectious disease caused by a parasite called Plasmodia which is a very small, single-cell blood organism, or 'protozoan'. Four different species of this genus are causing Malaria in humans, namely Plasmodium vivax, P. falciparum, P.ovale and P. malariae. These parasites are transmitted into human bloodstream by the female Anopheles mosquito which acts as a vector. The incubation period (time from infection to development of the disease) is usually about 10 to 15 days. Malaria has emerged as an Infectious Killer and W.H.O forecasts 16% growth in malaria cases annually. Malarial Parasite and its Life Cycle: The Parasite has two phases in its life cycle; the sexual (within the gut of mosquito) and the asexual (within the human body) phase.The gametocyte stage of the parasite is the form that infects the mosquito and reproduces itself sexually. These pass into the salivary glands of...

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