|
Malaria is an infection of the blood caused by a single-celled protozoa of the genus Plasmodium. When plasmodia are injected into the blood by a mosquito, they invade red blood cells and cause potentially serious illness. Malaria affects tens of millions of people worldwide. Malaria affects tens of millions of people worldwide. |
|
Fortunately, it can be largely prevented by avoiding mosquito bites and by using preventive drugs in parts of the world where it is transmitted.