Disease Outbreak News

emerge-may16icon Outbreaks and Emergencies Bulletin (1.15 MB)

This issue focuses on the protracted Yellow fever outbreak in Angola and the DR Congo , the Ebola Virus Disease (EVD) survivor monitoring, the protracted Cholera outbreaks in several countries, the Chikungunya out-break in Kenya and an outbreak in South Sudan that is still under investigation.

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outbreak bulletin issue 2  30 April 2016 Review FThe aim of this bulletin is to provide information on public health events and emer-gencies to Member States, public health and health emergency professionals, health development partners and the wider audience on the status of outbreaks and health emergencies in the WHO African region. This issue focuses on the ongoing Yellow fever , Ebola Virus Disease (EVD), Cholera, Zika outbreaks and the health consequences of El Niño.

There has been re-emergence of urban Yellow Fever (YF) outbreaks in Angola that have spread to the neighboring DR Congo and some cases have been exported to China and Kenya. Another outbreak of Yellow Fever has been reported in Uganda but it is not epidemiologically linked to the Angola or DR Congo outbreaks. Instead it is linked to a YF outbreak that occurred in Northern Uganda in 2010.

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Disease Outbreak News 2 June 2016

On 22 March 2016, the National IHR Focal Point of the Democratic Republic of Congo (DRC) notified WHO of cases of yellow fever (YF) in connection with an ongoing outbreak in Angola (see DON posted on 13 April 2016).

As of 31 May, a total of 700 suspected cases, including 63 deaths, had been reported from all the provinces by the national surveillance system. Samples were collected from 689 cases and sent for laboratory confirmation to the National Institute of Biomedical Research (INRB) in Kinshasa and the Pasteur Institute (IP) in Dakar, Senegal. To date, a total of 52 cases have been laboratory-confirmed for YF.

The 52 confirmed cases are from five provinces: Kongo Central (36 cases), Kinshasa (11 cases), Kwango (3 cases), Bas Uélé (1 case) and Tshuapa (1 case). The two cases from Bas Uélé and Tshuapa are sylvatic and not related to the outbreak in Angola. Two of the 52 confirmed cases were classified as autochthonous and were reported from the provinces of Kinshasa and Kongo Central. The remaining 46 confirmed cases were classified as imported from Angola and were detected in the provinces of Kongo Central (34 cases), Kinshasa (9 cases) and Kwango (3 cases).

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Disease Outbreak News 27 May 2016

Between August 2015 and 17 May 2016, WHO has been notified of 273 cases of Lassa fever, including 149 deaths in Nigeria. Of these, 165 cases and 89 deaths have been confirmed through laboratory testing (CFR: 53.9%). The cases were reported from 23 states in Nigeria. 

Since August 2015, ten health care workers (HCW) have been infected with Lassa fever virus, of which two have died. Of these ten cases, four were nosocomial infections. 

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Disease Outbreak News 2 May 2016

On 22 March 2016, the National IHR Focal Point of the Democratic Republic of Congo (DRC) notified WHO of cases of Yellow Fever (YF) in connection with the outbreak currently occurring in Angola (see DON posted 13 April 2016).

From early January to 22 March, a total of 453 suspect cases of YF, including 45 deaths were reported by the national surveillance system. 

Further investigations identified 41 cases potentially related to the Angola outbreak. These cases were confirmed by laboratory testing at the Institute National of Biomedical Research (INRB) in Kinshasa. Of these 41 cases, 16 have also been confirmed by the regional reference laboratory, Pasteur Institute (IP) in Dakar: 13 of the cases were detected in Kongo Central province (formerly Bas-Congo) and 3 cases reported from Kinshasa. Kongo Central province shares a long, porous border with Angola.

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Cholera

Cholera fact sheet


Crimean-Congo haemorrhagic fever (CCHF)

CCHF fact sheet


Ebola virus disease

Ebola virus disease website [Français]


Marburg

Marburg haemorrhagic fever fact sheet


Poliomyelitis

Polio fact sheet


Yellow fever

Yellow fever


Zika virus

Zika virus fact sheet