Wikipedia
Chlorovirus
Chlorovirus is a genus of giant double-stranded DNA virus, in the family Phycodnaviridae. Alga serve as natural hosts. There are currently 19 species in this genus including the type species Paramecium bursaria Chlorella virus 1. One species, Chlorovirus ATCV-1, commonly found in freshwater lakes, has been found to infect humans.