Zika virus and complications

Baby with microcephaly works on motor-skills.

5 reasons to support WHO’s global response to Zika virus

18 July -- Zika virus and its complications represent a new type of public health threat that requires a unique and integrated strategy. WHO/PAHO and 14 partners need a combined amount of US$122.1 million for the global response plan.


Zika Strategic Response Plan

17 June 2016 - The newly launched "Zika Strategic Response Plan" provides an update on key activities, the funding gap, and the new strategy moving forward to guide the international response to the spread of Zika virus.


Defining the syndrome associated with congenital Zika virus infection

3 June 2016 -- Emerging evidence suggests a broader range of possible complications for babies born to women affected with Zika virus. These could go beyond microcephaly to effects on other brain abnormalities.

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.

First Zika Emergency Committee

Situation report

62 countriesSince 2015, 62 countries and territories reported evidence of vector-borne Zika virus transmission.

Situation report

Global response

60 partnersMore than 60 global and local partners are participating in the Zika virus response.

Strategic Response Plan

Zika virus and complications

Zika virus

Guillain–Barré syndrome


Research and development

Zika: mapping the emerging evidence

WHO has compiled a list of freely-accessible external scientific resources relevant to Zika virus in the interest of promoting research and development

The history of Zika virus

The history of Zika virus timeline and article summarize the spread of Zika infection from the earliest discovery in 1947 to 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.