od na ▁Group ▁( OL PG ) ▁are ▁more ▁related ▁to ▁M im iv ir uses ▁than ▁to ▁Ph yc od nav ir uses . ▁For ▁this ▁reason ▁it ▁has ▁been ▁proposed ▁adding ▁them ▁to ▁legacy ▁M im iv ir idae ▁as ▁new ▁sub family ▁Mes om im iv ir inae ▁in ▁order ▁to ▁form ▁the ▁more ▁compreh ensive ▁family ▁Meg av ir idae . ▁However , ▁the ▁term ▁M im iv ir idae ▁now ad ays ▁is ▁used ▁sens u ▁l ato ▁syn onymous ▁with ▁Meg av ir idae . ▁ ▁P and or av ir idae ▁P and or av ir idae ▁Disc over ed ▁in ▁ 2 0 1 3 ▁from ▁a ▁coast al ▁water ▁sample ▁in ▁Chile . ▁It ▁is ▁mostly ▁found ▁inf ect ing ▁am o eb ae . ▁It ▁has ▁a ▁length ▁of ▁ 1 ▁mic rom eter ▁long ▁and ▁. 5 ▁mic rom eter ▁wide . ▁Its ▁gen ome ▁can ▁be ▁up ▁to ▁ 2 . 5 ▁million ▁base ▁pairs ▁long . ▁The ▁rep lication ▁of ▁this ▁virus ▁take ▁place ▁in ▁the ▁cy top las m . ▁Like ▁other ▁giant ▁vir uses , ▁it ▁affect ▁the ▁host ’ s ▁nucle us ▁and ▁can ▁take ▁up ▁to ▁ 1 5 ▁hours ▁to ▁start ▁inf ect ing . ▁Although ▁it ▁is ▁found ▁in ▁water , ▁it ▁does ▁not ▁affect ▁humans , ▁it ▁may ▁actually ▁help ▁us ▁by ▁increasing ▁the ▁production ▁of ▁o xygen ▁in ▁aqu atic ▁environments . ▁ ▁Ph yc od nav ir idae ▁The ▁Ph yc