jan 1, 1898 - Martinus Beijerinck, a Dutch microbiologist repeated Adolf Mayer's experiments and observed the infectious agent Ivanovski studied and called it a contagium vivum fluidum (contagious living fluid) and named it a "virus". Beijerinck and Ivanovski are both considered to be the founders of virology. Sources - Date accessed: https://en.wikipedia.org/wiki/History_of_virology - 27/09/2018
Added to timeline:
Date:
jan 1, 1898
Now
~ 127 years ago