. ▁ ▁V iro log y ▁Currently , ▁based ▁on ▁the ▁small ▁segment ▁( SR NA ) ▁gen etic ▁information , ▁there ▁are ▁ 4 ▁major ▁gen ot ypes ▁( I – IV ) ▁of ▁O RO V . ▁Gen ot ype ▁I ▁was ▁isolated ▁from ▁stra ins ▁in ▁A cre , ▁Amazon as , ▁Mar anh ão , ▁T oc ant is , ▁Par á , ▁Tr in idad , ▁and ▁Tob ago . ▁Gen ot ype ▁II ▁was ▁obtained ▁during ▁the ▁spread ▁in ▁Am ap á , ▁Par á , ▁R ond ô nia , ▁and ▁Peru . ▁Gen ot ype ▁III ▁was ▁isolated ▁from ▁samples ▁in ▁A cre , ▁Min as ▁G era is , ▁Pan ama , ▁and ▁R ond ô nia . ▁The ▁final ▁gen ot ype ▁IV ▁was ▁isolated ▁from ▁Amazon as . ▁ ▁Dis p ersion ▁A ▁possible ▁dispers al ▁could ▁be ▁predicted ▁for ▁the ▁four ▁gen ot ypes ▁based ▁on ▁time - scale d ▁analysis ▁and ▁ep ide mi olog ic ▁data ▁association . ▁Gen ot ype ▁I ▁possibly ▁dispers ed ▁towards ▁western ▁Par á , ▁Tr in idad , ▁and ▁Tob ago . ▁After , ▁gen ot ype ▁I ▁progress ed ▁towards ▁Amazon as , ▁A cre , ▁Mar anha o , ▁and ▁T oc ant ins . ▁Gen ot ype ▁II ▁possibly ▁emer ged ▁in ▁Am ap á , ▁Par á , ▁R ond ô nia , ▁and ▁Peru ▁at ▁the ▁same ▁time . ▁Gen ot ype ▁III ▁emer ged ▁in ▁R ond