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Ebola survivors urged not to have unprotected sex indefinitely

A case of sexual transmission of Ebola in Sierra Leone suggests that the disease may survive in semen for almost twice as long as previously thought

Doug Bolton
Monday 04 May 2015 11:36 EDT
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A woman throws a handful of soil towards the body of her sister as Ebola burial team members take her sister for cremation.
A woman throws a handful of soil towards the body of her sister as Ebola burial team members take her sister for cremation. (John Moore/Getty Images)

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Ebola survivors have been told not to have unprotected sex indefinitely.

The Centre for Disease Control and Prevention (CDC), a federal public health agency in the US has discovered that the disease can remain in semen for much longer than previously thought.

A 44-year old woman from Monrovia, the capital of Liberia, is believed to have become infected with the disease after having unprotected sex with a man on 7 March, who was cleared of the disease in early October 2014.

It was previously thought that the disease can remain viable in semen up to 101 days after the the onset of symptoms.

However, the case described in a CDC report entitled 'Possible Sexual Transmission of Ebola Virus' suggests that it can survive much longer, as the pair had sex 199 days after the man experienced the onset of the disease.

New cases of ebola have fallen sharply in West Africa in recent months, but the discovery that the disease lasts longer in semen presents a new danger
New cases of ebola have fallen sharply in West Africa in recent months, but the discovery that the disease lasts longer in semen presents a new danger (CELLOU BINANI/AFP/Getty Images)

The report recommended that "contact with semen from male Ebola survivors be avoided until more information regarding the duration and infectiousness of viral shedding in bodily fluids is known."

The report added that it was not possible to definitely ascribe the woman's infection to sexual intercourse - but it said that due to the time frame, the lack of other possible ways of infection, and the matching genetic sequences of the two people, means that sexual transmission of the disease is possible.

Previously, the CDC and the World Health Organisation had recommended abstinence or condom use for at least three months following recovery from Ebola - but due to the recent discovery, they now recommend total avoidance of semen from male Ebola survivors until more is known.

Ebola transmission in West Africa has fallen in the last few months - Sierra Leone's President Ernest Bai Koroma said in April that authorities in the country would soon start laying off staff recruited to fight the disease, as the number of cases had fallen so dramatically.

However, the discovery that the disease can survive in survivors' semen for much longer than previously thought means that people must be made aware of the dangers of sexual transmission.

Concluding the report, the CDC said that sufficient supplies of condoms and efforts to promote their safe and consistent use should be provided in Ebola-affected countries.

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