The more researchers learn about the Zika virus, the scarier it appears, federal health officials said Monday as they urged more money for mosquito control and to develop vaccines and treatments. Scientists increasingly believe the Zika virus sweeping through Latin America and the Caribbean causes devastating defects in fetal brains if women become infected during pregnancy.

“Everything we look at with this virus seems to be a bit scarier than we initially thought,” Dr. Anne Schuchat of the Centers for Disease Control and Prevention said at a White House briefing. And while experts don’t expect widespread outbreaks in the continental U.S., “we absolutely need to be ready,” she said. FULL REPORT