Zika virus and complications

Zika virus strain imported from the Americas to Cabo Verde

20 May 2016 -- Sequencing of the virus in Cabo Verde by Institut Pasteur, Dakar confirms that the Zika virus currently circulating in Cabo Verde is the same as the one circulating in the Americas - the Asian type- and was most likely imported from Brazil. This is the first time that the Zika strain responsible for the outbreaks linked to neurological disorders and microcephaly has been detected in Africa.

WHO calls on countries to prepare as Zika virus expected to spread in Europe

18 May 2016 – A new WHO report assesses the risk of a Zika virus disease outbreak occurring during late spring and summer in the European Region. While the overall risk is low to moderate, countries where Aedes mosquitoes are present are more likely to experience a Zika virus outbreak.


Zika virus and the Olympics

17 May 2016 -- Athletes and visitors to Rio de Janeiro, and other areas where Zika virus is circulating, are encouraged to follow the travel advice provided by WHO and their countries’ health authorities, and consult a health worker before travelling. Have more questions about Zika virus and the Olympic and Paralympic Games, Rio 2016? Click on the Q&A below for answers!

Woman measures baby's head for microcephaly.

One year into the Zika outbreak

5 May 2015 -- On 7 May 2015, Brazil informed WHO/PAHO of its first laboratory confirmed cases of Zika virus. In the last year the scientific community has learned an extraordinary amount about this virus and its effects.

WHO continues to lead the research agenda, while supporting countries in the response. This article chronicles Zika virus from when it was first identified, and details how this fairly obscure disease became a global health emergency.


fact buffet

Public health emergency

1 Feb 2016WHO declared the cluster of microcephaly cases and other neurological disorders a health emergency.

WHO Director-General on the outcome of the Emergency Committee

Situation report

60 countriesAs of 18 May, 60 countries and territories report continuing mosquito-borne transmission.

Situation report: Zika virus, Microcephaly and Guillain-Barré syndrome

Global response

23 partnersGlobal and local partners to participate in the Zika virus response.

Zika Strategic Response Framework & Joint Operations Plan

Situation and response


Situation reports

WHO Response

Travel information

Zika virus and complications

Zika virus

Guillain–Barré syndrome


Research and development

Zika virus timeline

This timeline summarizes the spread of Zika infection, country by country, from the earliest discovery in 1947 to the latest information as of 7 February 2016. Zika virus infection appears to have changed in character while expanding its geographical range.

Zika virus quiz

Quiz on Zika virus

What can you do to you protect yourself?
Can Zika virus be transmitted through sex?
Can women transmit Zika virus to their fetuses during pregnancy or childbirth?
Find the answer to these questions and more by taking the Zika virus quiz.