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Countries at Heart of Ebola Outbreak See 1st Virus-free Week

  • Reuters

FILE - A health worker stands at Elwa hospital in Monrovia, Sept. 7, 2014, The facility is run by Medecins Sans Frontieres (Doctors without Borders -- MSF).

FILE - A health worker stands at Elwa hospital in Monrovia, Sept. 7, 2014, The facility is run by Medecins Sans Frontieres (Doctors without Borders -- MSF).

The three West African countries at the heart of an Ebola epidemic recorded their first week with no new cases since the outbreak was declared in March 2014, the World Health Organization (WHO) said on Wednesday.

The U.N. agency said that more than 11,000 people have died in Guinea, Liberia and Sierra Leone in the world's worst known occurrence of Ebola, but there were no new cases in the week to Oct. 4.

New cases of Ebola have dwindled sharply this year but the WHO said there was still a risk of the disease breaking out again.

"Over 500 contacts remain under follow-up in Guinea, and several high-risk contacts associated with active and recently active chains of transmission in Guinea and Sierra Leone have been lost to follow-up," it said in its situation report.

Sierra Leone released its last known Ebola patients on Sept. 28 and must wait 42 days until it can be declared free of the disease.

Liberia received that declaration for a second time on Sept. 3 after a flare-up in June but remains under heightened surveillance. Guinea's most recent cases were recorded on Sept. 27.

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