Zika Virus Case in Utah Raises New Questions for Scientists

Scientists from the Centers for Disease Control and Prevention (CDC) are scrambling to figure out how a Utah caregiver became ill with Zika. The virus is overwhelmingly transmitted via bites from infected mosquitoes, but can also spread through sexual contact. The case in Utah seems to be the result of something completely different, however, say state officials. Scientists aren't exactly sure how the person became infected, but they working to figure what's behind this latest twist in th