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22 Jul 2016 description

The ECDC Communicable Disease Threats Report (CDTR) is a weekly bulletin for epidemiologists and health professionals on active public health threats. This issue covers the period 17 - 23 July 2016 and includes updates on poliomyelitis, Zika virus, yellow fever, West Nile fever, influenzas A(H5N1) and A(H7N9) and Vibrio growth in the Baltic Sea.

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.

16 Jul 2016 description

​​The ECDC Communicable Disease Threats Report (CDTR) is a weekly bulletin for epidemiologists and health prefessionals on active public health threts. This issue covers the period 10-16 July 2016 and includes updates on Zika virus, polio, West Nile virus, MERS, and yellow fever in Angola.

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.

08 Jul 2016 description

The ECDC Communicable Disease Threats Report (CDTR) is a weekly bulletin for epidemiologists and health prefessionals on active public health threts. This issue covers the period 2-9 July 2016 and includes updates on Zika virus, polio, dengue, chikungunya, West Nile virus and yellow fever in Angola.

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.

17 Jun 2016 description
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17 June 2016 – The World Health Organization (WHO)/the Pan American Health Organization (PAHO) and partners have set out their strategic response to Zika which will place a greater focus on preventing and managing medical complications caused by Zika virus infection. To date, US$121.9 million are necessary to effectively implement the Zika Strategic Response Plan, July 2016 to December 2017.

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.

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: 