Understanding: Viruses
- 1994
- 50m
Viruses are tiny, ancient life forms that can outsmart our immune system. From common cold to HIV, they've caused devastating epidemics. Invisible yet everywhere, they wait for a host to rep... Read allViruses are tiny, ancient life forms that can outsmart our immune system. From common cold to HIV, they've caused devastating epidemics. Invisible yet everywhere, they wait for a host to reproduce.Viruses are tiny, ancient life forms that can outsmart our immune system. From common cold to HIV, they've caused devastating epidemics. Invisible yet everywhere, they wait for a host to reproduce.