Still many questions about Zika's threat to pregnant women

WASHINGTON (AP) — Zika may stand convicted of causing devastating birth defects but there still are lots of questions about how much of a threat the virus poses to pregnant women, and what to do about it.

Part of the answer has to do with geography: So far, mosquitoes aren't spreading Zika in the mainland U.S. That means for now, the main advice for pregnant women here is to avoid travel to Zika-affected parts of Latin America or the Caribbean. But that could change as mosquito season gets into full swing at home.

"It would not be surprising at all, if not likely, that we're going to see of a bit" of local Zika transmission, Dr. Anthony Fauci of the National Institutes of Health told Fox News Sunday.