▁a ▁species ▁of ▁the ▁Y at ap ox vir us ▁genus ▁and ▁is ▁closely ▁related ▁to ▁the ▁tan ap ox . ▁The ▁virus ▁gets ▁its ▁name ▁from ▁the ▁sub urb ▁of ▁Y aba , ▁Lag os . ▁ ▁Sign s ▁and ▁sympt oms ▁ ▁The ▁Y aba ▁mon key ▁tum or ▁virus ▁is ▁character ized ▁by ▁the ▁formation ▁of ▁cut aneous ▁hist i oc yt omas . ▁These ▁cut aneous ▁hist i oc yt omas ▁may ▁form ▁on ▁the ▁face , ▁pal ms , ▁digits , ▁for ear m , ▁surfaces ▁of ▁the ▁nose , ▁sin uses , ▁lips , ▁pal ate . ▁The ▁tum ors ▁are ▁visible ▁within ▁ 4 – 5 ▁days ▁after ▁in fection ▁of ▁the ▁virus . ▁In ▁r hes us ▁mon keys ▁the ▁virus ▁has ▁a ▁t endency ▁to ▁affect ▁the ▁face ▁and ▁sin uses ▁causing ▁large ▁tum ors ▁to ▁form . ▁In ▁general ▁the ▁only ▁sympt oms ▁of ▁the ▁virus ▁will ▁be ▁the ▁formation ▁of ▁tum ors . ▁ ▁Vir us ▁▁ ▁The ▁Y aba ▁mon key ▁tum or ▁virus ▁( Y M TV ) ▁is ▁considered ▁a ▁ch ord op ox vir us ▁due ▁to ▁its ▁ability ▁to ▁inf ect ▁verte br ates ▁and ▁consists ▁of ▁linear ▁double - str and ed ▁DNA . ▁Being ▁a ▁part ▁of ▁the ▁genus ▁Y at ap ox vir us , ▁the ▁Y M TV ▁is ▁only ▁able ▁to ▁inf ect ▁prim ates ▁- ▁which ▁includes ▁humans . ▁The ▁virus ▁can ▁be ▁transm itted ▁by ▁direct ▁contact ▁on ▁the ▁skin