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18 Aug 2016

#Zika #situation #report, 18 August 2016 (@WHO, summary)


Title: #Zika #situation #report, 18 August 2016.

Subject: Zika Virus Infection and related complications, weekly global update.

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

Code: [     ]


Zika situation report, 18 August 2016

Zika virus, Microcephaly and Guillain-BarrĂ© syndrome: |-- Read the full situation report –|



|-- Download the map jpg, 286kb –|

|-- List of countries and territories reporting mosquito-borne Zika virus transmission (Table 1.) jpg, 517kb –|



  • 70 countries and territories have reported evidence of mosquito-borne Zika virus transmission since 2007 (67 since 2015):
    • 53 with a first reported outbreak from 2015 onward.
    • 4 with having possible endemic transmission or evidence of local mosquito-borne Zika infections in 2016.
    • 13 with evidence of local mosquito-borne Zika infections in or before 2015, but without documentation of cases in 2016, or with the outbreak terminated.
  • 17 countries or territories have reported microcephaly and other CNS malformations potentially associated with Zika virus infection or suggestive of congenital infection.
    • 4 of the 17 countries reported microcephalic babies born from mothers in countries with no endemic Zika virus transmission but who reported recent travel history to Zika affected countries.
    • Outcomes of pregnancies with laboratory evidence of possible Zika virus in the United States of America:
      • 16 total liveborn infants with birth defects (one newly reported)
      • 5 total pregnancy losses with birth defects
    • Outcomes of pregnancies with laboratory evidence of possible Zika virus in territories of the United States of America:
      • 1 total liveborn infant with birth defects
      • 1 total pregnancy loss with birth defects
  • 18 countries and territories have reported an increased incidence of GBS and/or laboratory confirmation of a Zika virus infection among GBS cases.
  • Guinea-Bissau:
    • 7 new cases were found to be positive for Zika.
    • The samples have been sent to Institute Pasteur Dakar (IPD) in Senegal for further testing.
    • A total of 154 samples were collected from the Bijagosislands by the recent mission by staff from the WHO Regional Office for Africa and regional partners.
    • During this mission 401 lots of mosquitos were collected and four of them were positive for Zika.
    • Of the mosquitoes collected, 80% were Aedes egypti and Aedes luteocephalus which indicates that the risk index is high.
    • 5 cases of microcephaly have been reported since April 2016. Three cases were reported from Oio and 2 cases from Gabu. Investigations of these cases are ongoing.
    • The gene sequencing results of the 4 confirmed Zika cases sent on 1 July are still pending.
    • Following the joint mission, additional WHO deployments of entomologists, epidemiologists and laboratory experts are being pursued.



Keywords: Worldwide; WHO; Updates; Zika Virus.