The agency said its warning about future transmission isn’t limited to those two states, however, since Zika’s main vector — the Aedes aegypti mosquito — roams beyond their borders, reaching most of the southern U.S.
“Mosquito-borne disease outbreaks are difficult to predict,” CDC spokesman Benjamin Haynes said. “There will be future outbreaks, including large ones, as well as years with reduced transmission, but it is impossible to know when or where these transmission patterns will occur.”
States that combatted Zika firsthand in 2016 have been particularly vocal about leveraging available resources to beat back the disease this time around.
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