WHO - Ebola Situation Report - 30 March 2016

apps.who.int - March 30, 2016

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. . . On 17 March 2016 a cluster of 2 confirmed and 3 probable cases of Ebola virus disease was reported from the prefecture of N’Zerekore in south-eastern Guinea. Three further confirmed cases were reported on 21, 26, and 28 March, respectively. All confirmed cases had symptom onset in the sub-prefecture of Koropara. Cases reported on 21 and 26 March were high-risk contacts of the initial case-cluster; the contact status of the case confirmed on 28 March has not yet been reported. All 5 confirmed cases are epidemiologically linked to a chain of 3 probable cases in the subprefecture of Koropara: two females in their late 30s, and one male in his late 50s. All 3 probable cases died between 27 February and 15 March, and were not buried safely. Investigations have determined that the first probable case (a female in her late 30s) had symptom onset on or around 15 February 2016. The source of her infection is being investigated. Viral sequencing data indicate that virus present in the blood of one of the confirmed cases is closely related to virus that circulated in south-eastern Guinea in November 2014. 1033 contacts linked to the cluster have been identified so far, 171 of whom are considered to be high risk. All but 10 contacts have been traced. Response efforts have been reinforced by the redeployment of over 30 epidemiologists from western prefectures including the capital, Conakry. In addition, four villages are subject to cerclage measures, whereby individuals must report for regular check-ups and are not permitted to leave the immediate area of the village. Vaccination teams began vaccination of contacts and contacts of contacts on 22 March. Additional cases are likely because of the large number of contacts. One suspect case (reported 30 March) is currently under observation in an Ebola treatment centre.