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25 Aug 2016 description

KEY UPDATES

  • Countries and territories reporting mosquito-borne Zika virus infections for the first time in the past week:

  • None

  • Countries and territories reporting microcephaly and other central nervous system (CNS) malformations potentially associated with Zika virus infection for the first time in the past week:

  • Costa Rica, Dominican Republic and Haiti

04 Aug 2016 description

As of 3 August 2016, 68 countries and territories (Fig. 1, Table 1) have reported evidence of mosquito-borne Zika virus transmission since 2007 (65 of these countries and territories have reported evidence of mosquito-borne Zika virus transmission since 2015):

 51 countries and territories with a first reported outbreak from 2015 onwards (Table 1).

 Four countries are classified as having possible endemic transmission or have reported evidence of local mosquito-borne Zika infections in 2016.

28 Jul 2016 description

 As of 27 July 2016, 67 countries and territories have reported evidence of mosquito-borne Zika virus transmission since 2007 (64 of these countries and territories have reported evidence of mosquito-borne Zika virus transmission since 2015):

 50 countries and territories with a first reported outbreak from 2015 onwards.

 Four countries are classified as having possible endemic transmission or have reported evidence of local mosquito-borne Zika infections in 2016.

22 Jul 2016 description
  • The World Health Organization (WHO) and partners established a definition of what constitutes an outbreak, endemic transmission, and the interruption of mosquito-borne transmission in order to better characterize the level of transmission of Zika virus infection (Table 1, Fig. 2). This classification system was put into use as of the situation report of 7 July 2016.

14 Jul 2016 description

Summary

WHO and partners established a definition of what constitutes an outbreak, endemic transmission, and the interruption of mosquito-borne transmission in order to better characterize the level of transmission of Zika virus infection (Table 1, Fig. 2). This classification system was put into use as of the situation report of 7 July 2016.

07 Jul 2016 description

Summary

  • WHO and partners have established a definition of what constitutes an outbreak, endemic transmission, and the interruption of vector-borne transmission in order to better characterize the level of transmission of Zika virus infection (Table 1, Fig. 2). In addition, this will facilitate public health recommendations for residents and travellers. Based on these definitions, countries and territories reporting mosquito-borne Zika virus transmission were reclassified.

30 Jun 2016 description

Summary

 As of 29 June 2016, 61 countries and territories report continuing mosquito-borne transmission (Fig. 1) of which:

 47 countries are experiencing a first outbreak of Zika virus since 2015, with no previous evidence of circulation, and with ongoing transmission by mosquitos (Table 1).

 14 countries reported evidence of Zika virus transmission between 2007 and 2014, with ongoing transmission.

23 Jun 2016 description

 As of 22 June 2016, 61 countries and territories report continuing mosquito-borne transmission (Fig. 1) of which:

 47 countries are experiencing a first outbreak of Zika virus since 2015, with no previous evidence of circulation, and with ongoing transmission by mosquitos (Table 1).

 14 countries reported evidence of Zika virus transmission between 2007 and 2014, with ongoing transmission.

16 Jun 2016 description

 The third meeting of the Emergency Committee (EC) convened by the Director-General under the International Health Regulations (2005) regarding microcephaly, other neurological disorders and Zika virus was held by teleconference on 14 June 20161. The committee concurred with the international scientific consensus that Zika virus is a cause of microcephaly and GBS, and, consequently, that Zika virus infection and its associated congenital and other neurological disorders is a Public Health Emergency of International Concern (PHEIC).

09 Jun 2016 description

 As of 8 June 2016, 60 countries and territories report continuing mosquito-borne transmission (Fig. 1) of which:

 46 countries are experiencing a first outbreak of Zika virus since 2015, with no previous evidence of circulation, and with ongoing transmission by mosquitos (Table 1).

 14 countries reported evidence of Zika virus transmission between 2007 and 2014, with ongoing transmission.

07 Jun 2016 description

THE EUROPEAN COMMISSION,

Having regard to the Treaty on the Functioning of the European Union,

Having regard to Council Regulation (EC) No 1257/96 of 20 June 1996 concerning humanitarian aid1 , and in particular Article 2, Article 4 and Article 15(2) and (3) thereof,

Having regard to Council Decision 2013/755/EU of 25 November 2013 on the association of the overseas countries and territories with the European Union2 , and in particular Article 79 thereof,

02 Jun 2016 description
  • As of 1 June 2016, 60 countries and territories report continuing mosquito-borne transmission (Fig. 1) of which:

  • 46 countries are experiencing a first outbreak of Zika virus since 2015, with no previous evidence of circulation, and with ongoing transmission by mosquitos (Table 1).

  • 14 countries reported evidence of Zika virus transmission between 2007 and 2014, with ongoing transmission.

19 May 2016 description
  • As of 18 May 2016, 60 countries and territories report continuing mosquito-borne transmission (Fig. 1) of which:

  • 46 countries are experiencing a first outbreak of Zika virus since 2015, with no previous evidence of circulation, and with ongoing transmission by mosquitos (Table 1).

  • 14 countries reported evidence of Zika virus transmission between 2007 and 2014, with ongoing transmission.

12 May 2016 description

Summary

  • As of 11 May 2016, 58 countries and territories report continuing mosquito-borne transmission of which:

  • 45 countries are experiencing a first outbreak of Zika virus since 2015, with no previous evidence of circulation, and with ongoing transmission by mosquitoes.

  • 13 countries reported evidence of Zika virus transmission between 2007 and 2014, with ongoing transmission.

05 May 2016 description
  • As of 4 May 2016, 57 countries and territories report continuing mosquito-borne transmission; for 44 countries this is their first documented Zika virus outbreak (Fig. 1).

  • Mosquito-borne transmission (Table 1):

  • 44 countries are experiencing a first outbreak of Zika virus since 2015, with no previous evidence of circulation, and with ongoing transmission by mosquitos.

  • 13 countries reported evidence of Zika virus transmission between 2007 and 2014, with ongoing transmission.

28 Apr 2016 description

ZIKA VIRUS DISEASE, MICROCEPHALY AND GUILLAIN-BARRÉ SYNDROME

 As of 27 April, 55 countries and territories report continuing mosquito-borne transmission; for 42 countries this is their first documented Zika virus outbreak (Fig. 1).

 Mosquito-borne transmission (Table 1):

 42 countries are experiencing a first outbreak of Zika virus since 2015, with no previous evidence of circulation, and with ongoing transmission by mosquitos.

 13 countries reported evidence of Zika virus transmission between 2007 and 2014, with ongoing transmission.

21 Apr 2016 description

SUMMARY

From 1 January 2007 to 20 April 2016, Zika virus transmission was documented in a total of 66 countries and territories.

Mosquito-borne transmission:

  • 42 countries are experiencing a first outbreak of Zika virus since 2015, with no previous evidence of circulation, and with ongoing transmission by mosquitos.

  • 17 countries have reported evidence of Zika virus transmission prior to 2015, with or without ongoing transmission or have reported an outbreak since 2015 that is now over.

14 Apr 2016 description

SUMMARY

From 1 January 2007 to 13 April 2016, Zika virus transmission was documented in a total of 64 countries and territories.

Mosquito-borne transmission:

 42 countries are experiencing a first outbreak of Zika virus since 2015, with no previous evidence of circulation, and with ongoing transmission by mosquitos.  17 countries have reported evidence of Zika virus transmission prior to 2015, with or without ongoing transmission or have reported an outbreak since 2015 that is now over.

Person-to-person transmission: 