jan 1, 1980 - First Human Retrovirus Human T-lymphotropic virus (HTLV-1) was discovered by Robert Gallo in the US. This virus affects T cells, a white type of blood cell, but generally the virus doesn't cause any signs or symptoms. Sources - Date accessed: https://resources.rndsystems.com/images/site/rnd-systems-viral-poster.png - 30/09/2018 https://rarediseases.info.nih.gov/diseases/9645/human-t-cell-leukemia-virus-type-1 - 30/09/2018
Added to timeline:
Date:
jan 1, 1980
Now
~ 45 years ago