Studies, malaria, Falciparum - epidemiology, Tropical diseases, Statistics, Hypothesis testing, Seasons, Parasites, DNA, Antibodies, Protozoan - isolation & purification, Falciparum - transmission, Protozoan - blood, Plasmodium falciparum - immunology, Plasmodium falciparum - genetics, Protozoan - genetics, Households, Global positioning systems–GPS