A more effective vaccine is a major step nearer after a team of scientists found how malaria evades the immune system. The Penn State College of Medicine study showed that the malaria parasite Plasmodium falciparum hijacks an immune system process to invade red blood cells. Understanding how malaria invades the cells could lead to a more effective vaccine. Malaria kills about 1 million people every year mostly children under 5 in Sub-Saharan Africa. Only one vaccine has been licensed and neither it nor any others in development today will be 100 percent effective against malaria infection said lead researcher Jose