A barman and a customer watch Alejandro García Padilla, governor of Puerto Rico, giving a speech on a television screen in a bar in San Juan, Puerto Rico, on Sunday.
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A doctor walks through a hallway at the Centro Medico trauma center in San Juan, Puerto Rico, in 2013. A medical exodus has been taking place for a decade in the Caribbean territory as doctors and nurses flee for the U.S. mainland, seeking higher salaries and better reimbursements from insurers.
Blue skies in San Juan, Puerto Rico belie the U.S. territory's struggle with massive debt. The islands have a generous health care program that covers nearly everyone, but economists say it has never been adequately funded.
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Previous experience with dengue outbreaks in Puerto Rico has shown that even small amounts of standing water — as in the vases of cemeteries — can serve as breeding areas for the mosquitoes that carry dengue and Zika.
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Aedes aegypti mosquitoes are displayed at an exhibition on Jan. 28 in Brazil. The mosquitoes can be carriers of the Zika virus. Several cases of the virus have spread to Puerto Rico.
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One of the banana plants in the collection at the USDA's Tropical Agriculture Research Station in Puerto Rico. It's just one of many banana collections around the world that might just hold the key to stopping a fungus's deadly reach.
Puerto Rico's governor, Alejandro Javier Garcia Padilla, shown here in an appearance in Washington this month, has been urging Congress to allow the commonwealth to seek bankruptcy protection.
Sait Serkan Gurbuz/AP