Zika epidemics 2014 onwards
An outbreak of Zika virus infections was spreading in the Americas and the Pacific region.
On 1 February 2016 WHO declared a Public Health Emergency of International Concern (PHEIC) regarding clusters of microcephaly cases and neurological disorders in some areas affected by Zika virus.
There is now a strong consensus in the scientific community about the link between Zika infection and congenital malformations, as well as developing Guillain–Barré (GBS) syndrome.
Knowledge about the risk of congenital brain malformations associated with Zika virus infection during pregnancy is still limited and there are intense efforts to collect and analyse data that can inform the advice about the disease.
Recent scientific findings based on literature reviewed after the ninth update of the ECDC Rapid Risk Assessment on Zika virus infection (19 October to 27 January 2017)
Factsheet about Zika virus disease
Most Zika virus infections are either asymptomatic or cause a mild illness with a transient maculopapular rash. However, there is scientific consensus that Zika virus is a cause of microcephaly, congenital nervous system malformations and Guillain-Barré syndrome.Read more