Featured post

#Avian #Influenza #H7N9 in #China: Preventing the Next #SARS (@WHO, Apr. 2 ‘17)

  Title : #Avian #Influenza #H7N9 in #China: Preventing the Next #SARS. Subject : Avian Influenza, H7N9 subtype (Asian Lineage), poultry e...

7 Oct 2016

#Yellowfever #situation #report, 7 October 2016 (@WHO, summary)


Title: #Yellowfever #situation #report, 7 October 2016.

Subject: Yellow Fever, multi-country outbreak, weekly WHO update.

Source: World Health Organization (WHO), full page: (LINK).

Code: [     ]


Yellow fever situation report, 7 October 2016


A yellow fever outbreak was detected in Luanda, Angola late in December 2015. The first cases were confirmed by the National Institute for Communicable Diseases (NICD) in South Africa on 19 January 2016 and by the Institut Pasteur Dakar (IP-D) on 20 January. Subsequently, a rapid increase in the number of cases has been observed.


|-- Read the full situation report –|


Key updates

  • Angola epidemiological update (as of 29 September):
    • The last confirmed case had symptom onset on 23 June.
    • 32 probable cases were reported in the last 4 weeks
    • Phase II of the vaccination campaign was postponed due to logistical challenges but was rescheduled to begin the second week of October.
    • The target population consists of 2 million people in 12 districts in 9 provinces.
  • Democratic Republic of the Congo epidemiological update (as of 5 October):
    • The last confirmed non-sylvatic case had symptom onset on 12 July.
    • 7 cases are under investigation (3 in Kinshasa and 1 case each in Bas Uele, Kwilu, Sud Ubangi and Tshuapa provinces).
    • The reactive vaccination campaign in Feshi and Mushenge Health Zones in Kwango province began on 2 and 6 October, respectively.



  • The continuing detection and investigation of suspected and laboratory-positive cases (including the 32 probable cases in Angola) demonstrate that active surveillance is ongoing.
    • Nevertheless, it is important to note persistent difficulties in surveillance and laboratory confirmation capacities, which may delay case detection.
    • A strong and sustained surveillance effort remains crucial.
  • The status of the probable cases in Angola will be reviewed by the Ministry of Health’s Final Classification Committee once the investigations are completed as to their exposure history and yellow fever vaccination status.


Keywords: WHO; Updates; Yellow Fever; Angola; Congo DR.