A comparison of the inherent salient features of smallpox, polio, measles, and malaria infections that favour or impede elimination of the disease and the most effective past and current interventions.
posted on 2013-02-20, 21:04authored byJoel G. Breman, Ciro A. de Quadros, Walter R. Dowdle, William H. Foege, Donald A. Henderson, T. Jacob John, Myron M. Levine
a
P. falciparum, P. vivax, P. malariae, and P. ovale are restricted to human hosts. P. knowlesi, which mainly infects nonhuman primates, can also cause disease in humans following natural transmission.
b
However, the development of immunity against clinical disease follows repeated infections.