Warning To Bun In The Oven Travelers

The U.S. Centers for Disease Control and Prevention is asking pregnant women to avoid 22 countries that have seen outbreaks of the Zika virus. 

That's up eight from just yesterday. Disturbingly, the mosquito-borne virus, which may be causing abnormally small heads in newborns, has also been linked to yet another debilitating disease.

The Zika virus has been spreading rapidly over the past several months, most prominently in Brazil. Its spread has been associated with a dramatic increase in microcephaly, a rare condition in which babies are born with abnormally small heads.