According to World Health Organization {W.H.O},who published a text on social media May 8 2015 that ''Sexual transmission of the Ebola virus,from males to females,is a strong possibility,but has not yet been proven.Less probable,but theoretically possible,is female to male transmission.Studies have shown that Ebola virus can be isolated from semen up to 82 days after symptom onset and a recent case investigation identified genetic material {RNA}from the virs by nucleic acid amplification tests {such as RT-PCR} 199 days after symptom onset.This is well beyond the period of virus detectability in the blood of survivors and long after recovery from illness.The detection of virus genetic material many months after symptom onset is assumed to reflect the continuing or at least very recent presence of live and potentially transmissible Ebola virus.In support of the view that Ebola virus can be transmitted via semen,a single instance of heterosexual transmission of the related Marburg Filovirus,from a male survivor to a female partner,was reported during an outbreak in 1967.Ebola virus RNA has also been detected by RT-PCR in vaginal fluid from one woman 33 days after symptom onset.Live virus has never been isolated from vaginal fluids with such limited data,it is not known for how long virus typically persists in vaginal fluids or whether it can be sexually transmitted from females to males''.
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