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Epidemiological situation

 Page last updated: 17 June 2016

New developments since the last epidemiological update

 
As of 15 June 2016, WHO reports 60 countries and territories with continuing mosquito-borne transmission. Of these, 52 countries and territories have reported autochthonous cases of Zika virus infection during the past nine months. Ten countries have reported evidence of person-to-person transmission of Zika virus, probably via a sexual route.
 
An article on the Zika outbreak in Colombia was published in NEJM on 16 June 2016. Preliminary findings included:
  • Overall Zika incidence in women was twice that of men, which reflects factors such as increased testing in reproductive-age women because of the microcephaly threat or the role of sexual transmission.
  • More than 90% of mothers who were infected during their third trimesters had given birth, and no infants with microcephaly or brain abnormalities were found. 
  • Four infants with laboratory evidence of congenital Zika virus disease were born to asymptomatic mothers.
 

Table 1. Countries and territories with reported confirmed autochthonous cases of Zika virus infection in the past three months, as of 17 June 2016

Countries Last case since 3 months
American Samoa Widespread transmission
Argentina Widespread transmission
Aruba Widespread transmission
Barbados Widespread transmission
Bolivia Widespread transmission
Brazil Widespread transmission
Cape Verde Widespread transmission
Colombia Widespread transmission
Costa Rica Widespread transmission
Curaçao Widespread transmission
Dominica Widespread transmission
Dominican Republic Widespread transmission
Ecuador Widespread transmission
El Salvador Widespread transmission
Fiji Widespread transmission
French Guiana Widespread transmission
Guadeloupe Widespread transmission
Guatemala Widespread transmission
Guyana Widespread transmission
Haiti Widespread transmission
Honduras Widespread transmission
Jamaica Widespread transmission
Marshall Islands Widespread transmission
Martinique Widespread transmission
Mexico Widespread transmission
Micronesia, Federated States of Widespread transmission
Nicaragua Widespread transmission
Panama Widespread transmission
Paraguay Widespread transmission
Peru Widespread transmission
Puerto Rico Widespread transmission
Saint Lucia Widespread transmission
Saint Martin Widespread transmission
Saint-Barthélemy Widespread transmission
Samoa Widespread transmission
Suriname Widespread transmission
Tonga Widespread transmission
Trinidad and Tobago Widespread transmission
US Virgin Islands Widespread transmission
Venezuela Widespread transmission
Vietnam Widespread transmission
Belize Sporadic transmission
Bonaire Sporadic transmission
Grenada Sporadic transmission
Indonesia Sporadic transmission
Papua New Guinea Sporadic transmission
Philippines Sporadic transmission
Saint Vincent and the Grenadines Sporadic transmission
Sint Maarten Sporadic transmission
Thailand Sporadic transmission
Cuba No
New Caledonia No
 

EU/EEA and EU Outermost Regions and Territories

 
As of 17 June 2016, ECDC has recorded 838 imported cases in 20 EU/EEA countries. The number of imported cases reported is not based on a systematic reporting surveillance system and cannot be considered exhaustive.
 

EU’s Outermost Regions and Territories:

 
Martinique: As of 16 June 2016, 30 000 suspected cases have been reported, an increase of 1 070 since last week. The weekly number of cases has been stable over the last four weeks. 
 
French Guiana: As of 16 June 2016, 7 830 suspected cases have been detected, an increase of 290 since last week. The weekly number of cases has been decreasing over the last three weeks.
 
Guadeloupe: As of 16 June 2016, 13 030 suspected cases have been detected, an increase of 2 840 suspected cases since last week. The weekly number of cases is continuously increasing.
 
St Martin: As of 16 June 2016, 830 suspected cases have been detected, an increase of 140 suspected cases since last week. The weekly number of cases is still reported as very high.
 
St Barthélemy: As of 16 June 2016, 70 suspected cases have been detected, an increase of 17 suspected cases since last week. The weekly number of cases is still increasing.

Update on microcephaly and/or central nervous system (CNS) malformations potentially associated with Zika virus infection

As of 15 June 2016, microcephaly and other central nervous system (CNS) malformations associated with Zika virus infection or suggestive of congenital infection have been reported by twelve countries or territories. In the EU, Spain (2) and Slovenia (1) reported congenital malformations associated with Zika virus infection after travel in the affected areas. 

Thirteen countries and territories worldwide reported an increased incidence of Guillain-Barré syndrome (GBS) and/or laboratory confirmation of a Zika virus infection among GBS cases.  

Brazil: Between October 2015 and 11 June 2016, Brazil has reported 7 936 suspected cases of microcephaly and other nervous system disorders suggestive of congenital infection; this is an increase of 106 cases since the last update; 1 581 are confirmed cases of microcephaly, 226 of which are laboratory-confirmed for Zika virus infection.
 

Figure 1. Countries or territories with reported confirmed autochthonous cases of Zika virus infection in the past three months, as of 17 June 2016

 




All ECDC maps with information on countries or territories with reported confirmed autochthonous cases of Zika virus infection can be found here.
 

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