Nikos Kyrpides, a greek biologist of the diaspora, working at the Joint Genome Institute of the US Department of Energy, discovered and "charted" a huge number of viruses unknown until now, existing on our planet and the majority of them "burrow" into bacteria and contaminate them.

http://www.nature.com/nature/journal/vaop/ncurrent/full/nature19094.html

Meeting of the President of the Hellenic Parliament with the Board of the World Hellenic Inter-Parliamentary Association (W.H.I.A) Greek-American Alexander Massialas Wins USA’s First Fencing Medal in 32 Years