jan 1, 1898 - The First Animal Virus The first animal virus (foot and mouth disease virus) was discovered by Friedrich Loeffler and Paul Frosch. They also proved that cows and sheep can be vaccinated against the virus. Sources - Date accessed: https://resources.rndsystems.com/images/site/rnd-systems-viral-poster.png - 28/09/2018
Added to timeline:
Date:
jan 1, 1898
Now
~ 127 years ago