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The areas in which Zika cases have been reported are vast. Every country in Central and South America (with the exceptions of Chile and Uruguay) have reported Zika cases and are recognized as Zika-infected areas by the CDC. Virtually all islands in the Caribbean, dozens of Sub-Saharan African countries, India, all of Southeast Asia and many Pacific islands fall into the same category. While Zika has engulfed much of the planet, there are a few countries in which the Zika threat is most prevalent. We took a look at the countries most affected by Zika and compiled a list. 

countries affected by zika
Photo by pixabay.com


Brazil is the epicenter of the virus’s outbreak, having reported more than 1.5 million cases. Since the outbreak, more than 4,000 infants in Brazil have been born with microcephaly, a condition that can lead to severe brain damage.


Although not as severe as Brazil, Colombia has seen significant outbreaks in the more rural jungle areas where mosquitoes are more prevalent. As of September 2016, more than 2,000 Colombian women had reported that they were infected by the virus, causing concerns for a spike in microcephaly cases.

Caribbean Islands

All Caribbean islands have consistently reported cases and concerns for microcephaly are high.

Papua New Guinea

All of Southeast Asia and numerous Pacific islands have reported cases, but Papua New Guinea’s rate of reports has been more consistent than its neighbors.

Do your research

All travelers with plans on heading to Zika-affected regions should visit the CDC’s Zika information page to figure out whether or not your destination is an area of high risk and what you should be doing to prepare.

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Which Countries are Most Affected by Zika?
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