Zika's Imminent U.S. Threat

The Zika virus will likely begin spreading in the U.S. "in the next month or so," a top health official said Sunday, highlighting the need for “forceful preparation.”

Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, said the federal government needs to ensure any local outbreaks of the disease don’t spread widely. “We already have Zika in the United States.