Mosquito lifecycle

Period of Schizogony • Breaking of erythrocytesParoxysm. • Tertian – 48 hr erythrocytes break; attacks every other day, P. vivax and P. ovale. Period of Schizogony • Breaking of erythrocytesParoxysm. • Tertian – 48 hr erythrocytes break; attacks every other day, P. vivax and P. ovale. • Quartan – 72 hr erythrocytes break; attacks three days, P. malariae. Period of Schizogony • Breaking of erythrocytesParoxysm. • Tertian – 48 hr erythrocytes break; attacks every other day, P. vivax and P. ovale. • Quartan – 72 hr erythrocytes break; attacks three days, P. malariae. • P. falciparum- attacks not as predictable 36-48 hr. Malaria • We usually think of malaria as a tropical disease, but it can occur in temperate zones. • There have been cases of malaria above the arctic circle. • Five species that infect humans  • Five species that infect humans – Plasmodium vivax • Widespread, temperate areas, Asia, North Africa • 43% • Tertian malaria • Five species that infect humans – Plasmodium vivax • Widespread, temperate areas, Asia, North Africa • 43% • Tertian malaria – Plasmodium falciparum • Tropics, 50% of malaria in the world • Falciparum malaria, malignant tertian malaria • Five species that infect humans – Plasmodium vivax • Widespread, temperate areas, Asia, North Africa • 43% • Tertian malaria – Plasmodium falciparum • Tropics, 50% of malaria in the world • Falciparum malaria, malignant tertian malaria