Communicable disease threats report, 17-23 April 2016, week 16

Surveillance report
Publication series: Communicable Disease Threats Report (CDTR)
Time period covered: 17 - 23 April 2016

​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 April 2016 and includes updates on Zika virus, Ebola virus disease, and yellow fever in Angola.

Executive summary

Zika virus infection

As of 22 April 2016, 49 countries and territories have reported autochthonous cases of Zika virus infection during the past nine months.
On 16 April 2016, Peruvian health authorities reported the first local case of Zika virus infection through sexual transmission. The Netherlands report continuing circulation of Zika virus in four (Curaçao, Aruba, Sint Maarten and Bonaire) of six islands constituting the Netherlands Outermost Territories in the Caribbean sea. In Chile, media quoting health authorities, report the presence of the Aedes aegypti mosquito (a competent vector for Zika) in Arica (2 000 kilometres north of Santiago). In the Marshall Islands, the health authorities report a case of microcephaly in the baby of a mother who was IgM Zika positive in March 2016.

Yellow fever

There is an ongoing outbreak of yellow fever in Angola that started in December 2015 in Viana, Luanda province. As of 19 April, 1 908 suspected cases of yellow fever (617 laboratory confirmed) and 250 deaths have been reported in Angola. An outbreak has also been reported in Masaka district in Uganda.
Cross border and international spread of the disease from Angola has been documented with cases exported to China, Kenya and DR Congo.