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‘Ebola vaccine highly protective in trial’

United Nations—The World Health Organization has published the results of a major trial of an experimental Ebola vaccine in Guinea, one of the three West African countries hardest hit by the Ebola outbreak, showing this vaccine to be highly protective against the deadly virus, UN spokesman Stephane Dujarric said.

“It is the first vaccine to prevent infection from one of the most lethal known pathogens, and the findings add weight to early trial results published last year,” Dujarric said.

This file photo taken on March 10, 2015 shows a woman getting vaccinated at a health center in Conakry during the first clinical trials of the VSV-EBOV vaccine against the Ebola virus. An ebola vaccine tested in clinical trials is "up to 100 percent effective" in protecting against the deadly virus, the World Health Organization reported in a study published on December 22, 2016. Not one of the nearly 6,000 people in Guinea vaccinated last year after being exposed to ebola contracted the disease, which claimed more than 11,000 victims in west Africa during a 2013-2015 outbreak, researchers reported in The Lancet. AFP PHOTO
“The vaccine is the first to prevent infection from one of the most lethal known pathogens, and the findings add weight to early trial results published last year,” WHO said in a news release, noting the results of the latest trial published in the medical journal The Lancet.

According to WHO, the vaccine, rVSV-ZEBOV was studied in a trial involving 11,841 people in Guinea during 2015. 

Among the 5,837 people who received the vaccine, no Ebola cases were recorded 10 days or more after vaccination. 

In comparison, there were 23 cases 10 days or more after vaccination among those who did not receive the vaccine.

The Ebola virus was first identified in 1976 and caused sporadic outbreaks in Africa. However, the 2013-2016 outbreak in west Africa that killed more than 11,300 people underlined the urgent need of a vaccine.

Guinea was the only one of the three worst affected countries that had not had a re-emergence of the virus after the outbreak was officially declared over in December 2015.

Topics: World Health Organization , Ebola vaccine , Guinea , Ebola virus
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