Costa Rica Joins List of Countries Reporting Zika Infections

Costa Rica reported its first case of Zika virus infection Tuesday as the mysterious virus spreads across the Americas, and U.S. officials added the U.S. Virgin Islands and the Dominican Republic to a growing list of countries that pregnant women might want to avoid.

That makes 24 countries on the list, and the World Health Organization predicts the virus will eventually end up in virtually every Western Hemisphere country.

U.S. health officials briefed President Barack Obama on what they do and don’t know about the virus and its spread. “The President was briefed on the potential economic and developmental impacts…

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