The Pan American Health Organization (PAHO) Regional Oce for the Americas of the World Health Organization (WHO) and key partners, have
taken immediate actions to respond to the Zika outbreak since the rst conrmation of cases.
In February 2014, the Chilean public health authorities conrmed the rst case of autochthonous transmission of Zika virus infection in the Americas
in Easter Island. Since that rst notication, twenty-two additional countries and territories have conrmed indigenous circulation of Zika virus:
Barbados, Bolivia, Brazil, Colombia, Dominican Republic, Ecuador, El Salvador, French Guiana, Guadeloupe, Guatemala, Guyana, Haiti, Honduras,
Martinique, Mexico, Panama, Paraguay, Puerto Rico, Saint Martin, Suriname, US Virgin Islands, Venezuela. In addition, Regional dissemination of the virus is speeding up.
PAHO has issued ve epidemiological alerts starting in May 2015. These epidemiological alerts provide updated information on the Zika virus
situation as well as recommended public health measures on surveillance, including laboratory testing, case management, risk communications and vector control. In addition specic recommendations on neurological syndrome and congenital malformation in the context of Zika virus circulation.
Epidemiological Alerts are available at: A detailed dedicated website on Zika virus information is also available at

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