ZME Science

HIV Infection Stems From Few Viruses - New Light Shed

Photo by out of rhythm A recent study has shown one of the world’s most dangerous viruses, the human immunodeficiency virus (HIV) unprecedented detail. They analyzed just the sexually transmitted version. Scientists found that among billions of HIV variants only a few lead to sexual transmission. George M. Shaw, M.D., Ph.D., professor in the UAB departments of [...]

3D Virus Image Taken At Highest Resolution Ever

Viruses are sub-microscopic infectious agents that need other cells in order to reproduce. In fact, some scientists claim that viruses are not living beings, as they do not meet the criteria of the definition of life, because they don’t have cells; but they do have genes and evolve by natural selection. Still, they can be [...]