 1921) a British virologist, who along with Yvonne Barr and Bert Achong (1928–1996), and after many failures, discovered viruses that resembled herpes virus in the fluid that surrounded the cells.The virus was later shown to be a previously unrecognised herpes virus, which is now called Epstein–Barr virus.Surprisingly, Epstein–Barr virus is a very common but relatively mild infection of Europeans.