EBOLA VIRUS FOUND IN SEMEN OF SURVIVOR TWO YEARS AFTER - FELLOW NURSES AFRICA
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August 04, 2017

EBOLA VIRUS FOUND IN SEMEN OF SURVIVOR TWO YEARS AFTER

Researchers have found Ebola Ribo Nucleic Acid (RNA)/genetic material in the semen of survivors two years after infection. They are calling on the World Health Organization (WHO) to update its guidelines on sexual transmission.

 

Ebola virus RNA can persist in the semen of survivors more than two years after the onset of infection researchers at the University of North Carolina at Chapel Hill have found. The research team, which included investigators from Ohio-based Clinical Research Management and the ELWA Hospital in Liberia also observed the detection of Ebola virus RNA in the semen of men who had previously had a negative test of their semen in some cases.

 

These findings led the study team to suggest revision of the 2016 WHO guidelines relating to the sexual transmission of Ebola, which calls for men who survive Ebola virus disease (EVD) to undertake measures such as abstinence and the use of condoms for at least 12 months after the onset of EVD or until their semen has tested negative for Ebola virus RNA twice. The study results were published in Open Forum Infectious Diseases.

 

Male participants enrolled in a longitudinal cohort study of Ebola survivors in Monrovia, Liberia, consented to donating semen. Of the 149 men who provided samples, 13 tested positive for Ebola virus RNA. Of these 13 men, 11 had positive results even two years after the onset of Ebola infection.

 

“Our finding of long term persistence and intermittent detection of viral RNA in semen suggests we need to change how we think about Ebola as it is no longer only an acute illness, but also one with potential long-term effects,” said William A. Fischer II, M.D., an assistant professor in the UNC Division of Pulmonary and Critical Care Medicine and the study’s co-author. “It is becoming clear that in some survivors, evidence of the virus can linger in the male genital tract for long periods of time with important potential implications for transmission.”

 

Fischer notes that while there has been documented sexual transmission of Ebola earlier after acute infection, it is not known whether the presence of RNA serves as a correlate for infectious virus and if transmission this far out is possible.

 

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