Vaccine Offers 100% Ebola Protection: Trial Results

An Ebola vaccine provided 100-percent protection in a field
trial in hard-hit Guinea, researchers and officials said Friday, mooting
“the beginning of the end” of the killer West African outbreak.
The world is “on the verge of an effective Ebola
vaccine,” the World Health Organization (WHO) said, hailing the results
from the first efficacy test of the VSV-ZEBOV vaccine among people living in a
high-danger zone.
“This is an extremely promising development,”
added WHO chief Margaret Chan.

“An effective vaccine will be another very important
tool for both current and future Ebola outbreaks.”
About 28,000 people have been infected in Guinea, Sierra
Leone and Liberia in the worst Ebola outbreak in history, according to the WHO,
and more than 11,000 have died.
VSV-ZEBOV may become the first licensed vaccine against the
disease for which there is also no approved treatment or cure.
The trial showed that the vaccine “offers 100 percent
protection against Ebola after roughly one week,” said researcher Sven
Trelle from the University of Bern.
The test, backed by drug firm Merck, the WHO and the
governments of Canada, Norway and Guinea, saw 4,123 high-risk people vaccinated
immediately after someone close to them fell ill with the deadly haemorrhagic

None of the vaccinated group caught the virus, according to
study results published in The Lancet medical journal.

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