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An Aedes aegypti mosquito is photographed in a laboratory at the University of El Salvador, in San Salvador, on February 3, 2016. Health authorities continue their efforts to eliminate the mosquito, vector of the Zika virus, which might cause microcephaly and Guillain-Barré syndrome in unborn babies. AFP PHOTO/Marvin RECINOS  / AFP / Marvin RECINOS        (Photo credit should read MARVIN RECINOS/AFP/Getty Images)
An Aedes aegypti mosquito is photographed in a laboratory at the University of El Salvador, in San Salvador, on February 3, 2016. Health authorities continue their efforts to eliminate the mosquito, vector of the Zika virus, which might cause microcephaly and Guillain-Barré syndrome in unborn babies. AFP PHOTO/Marvin RECINOS  / AFP / Marvin RECINOS        (Photo credit should read MARVIN RECINOS/AFP/Getty Images)

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    Obama threatens to veto House Republicans' Zika bill

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Obama threatens to veto House Republicans' Zika bill

The White House issued a veto threat against a House Republicans' bill introduced this week that would provide $622 million to fight Zika. CNN's Jake Tapper reports.

Obama threatens to veto House Republicans' Zika bill

The White House issued a veto threat against a House Republicans' bill introduced this week that would provide $622 million to fight Zika. CNN's Jake Tapper reports.