Zika virus and complications
20 October 2016 -- Overall, the global risk assessment has not changed. Seventy-three countries and territories have reported evidence of mosquito-borne Zika virus transmission since 2007, with 67 reports from 2015 onwards. The risk of Zika-associated complications in countries thought to be endemic for Zika virus remains largely unknown, requiring additional research.
6 September 2016 -- The interim guidance on prevention of sexual transmission of Zika virus has been updated with new evidence and advice.
The primary transmission route of Zika virus is via the Aedes mosquito. However, mounting evidence has shown that sexual transmission of Zika virus is possible and more common than previously assumed. This is of concern due to an association between Zika virus infection and adverse pregnancy and fetal outcomes, including microcephaly, neurological complications and Guillain-Barré syndrome.
Emergency Committee on microcephaly, other neurological disorders and Zika virus
2 September 2016 -- The fourth meeting of the Emergency Committee (EC) on Zika and microcephaly convened by the Director-General under the International Health Regulations (2005) regarding microcephaly, other neurological disorders and Zika virus was on 1 September 2016. The Committee agreed that Zika virus infection and its associated congenital and other neurological disorders continues to be a Public Health Emergency of International Concern (PHEIC).
29 August 2016 -- Social science research is an essential part of effective risk communication and community engagement for responding effectively to the ongoing Zika outbreak, as it is the case for any epidemic or pandemic. This interactive map allows you to gain an overview of such research to input into the response.
Knowledge Attitudes and Practice (KAP) surveys and other social science research allows responders to rapidly obtain valuable and insightful information in order to tailor interventions to better address people's needs at community level, thereby contributing to the overall public health response to Zika virus and its potential complications.
18 August 2016 - Zika virus and the complications it can cause have given rise to questions and concerns in affected communities and globally. As we continue to learn more about the disease, rumours can emerge. WHO continues to update the public regularly, with the most current scientific evidence, to ensure that people are well informed on public health issues and to stop rumours from circulating.
Public health emergency
1 Feb 2016WHO declared the cluster of microcephaly cases and other neurological disorders a health emergency.First Zika Emergency Committee
67 countriesSince 2015, 67 countries and territories reported evidence of vector-borne Zika virus transmission.Situation report
60 partnersMore than 60 global and local partners are participating in the Zika virus response.Strategic Response Plan
Situation and response
Zika: Strategic Response Plan
Zika virus outbreak global response: Interim report
Update and funding request
Information for travellers
Information for health authorities
- Health Advice for Travellers to the 2016 Summer Olympic and Paralympic Games
Prevention of sexual transmission
Screening, assessment and management of neonates and infants with complications associated with Zika virus exposure in utero
Identification and management of Guillain-Barré syndrome
Vector control operations framework
Q&A: Can a mosquito transmit more than one disease?
Dispelling rumours around Zika and complications
Promising new tools to fight Aedes mosquitoes
European countries strengthen capacities for rapid response to Zika
Third Emergency Committee on Zika virus
Zika digital timeline
Public health advice on the Olympics and Zika virus
One year into the Zika outbreak
Zika virus and complications
PublicationsMore on risk communication »
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.