The World Health Organisation (WHO) has issued an interim
advice on the possibility of Ebola Virus of being sexually transmitted.
The WHO had directed all Ebola survivors and their sexual
partners to receive counselling to guard against possible transmission of the
disease.
This is contained in a statement made available by WHO to
newsmen in Lagos today.
It indicated that the sexual transmission of the Ebola Virus
was yet to be established.
“The 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.
“Studies have shown that Ebola virus can be isolated from
semen up to 82 days after symptom onset.
“A recent case investigation identified genetic material
(RNA) from the virus by nucleic acid amplification tests (such as RT-PCR) 199
days after symptom onset.
“This is well beyond the period of virus detecting ability
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.’’
“More surveillance data and research are needed on the risks
of sexual transmission and particularly on the prevalence of viable and
transmissible virus in semen over time, WHO said.
WHO recommends that, in the interim, all Ebola survivors and
their sexual partners should receive counselling.
It added that this is to ensure safe sexual practices until
their semen has twice tested negative; and survivors should be provided with
condoms.
“Ebola survivors and their sexual partners should either
abstain from all types of sex or observe safe sex through correct and
consistent condom use until their semen has twice tested negative.
“Having tested negative, survivors can safely resume normal
sexual practices without fear of Ebola virus transmission,’’ the statement
added.
According to WHO, male Ebola survivors should be offered
semen testing at three months after onset of disease.
It said that for those who tested positive, semen testing
should be every month thereafter until their semen tests negative for virus
twice by RT-PCR, with an interval of one week between tests.
“If an Ebola survivor’s semen has not been tested, he should
continue to practice safe sex for at least six months after the onset of
symptoms.
“This interval may be adjusted as additional information
becomes available on the prevalence of Ebola virus in the semen of survivors
over time, it added.
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