Trial Using ‘Ring Vaccination’ Strategy Of Experimental Ebola Vaccine Underway In Sierra Leone After New Case Detected

WHO: Guinea ring vaccination trial extended to Sierra Leone to vaccinate contacts of new Ebola case
“Detection of a new case of Ebola virus disease in Kambia, Sierra Leone, after the country had marked almost three weeks of zero cases has set in motion the first ‘ring vaccination’ use of the experimental Ebola vaccine in Sierra Leone…” (8/31).