Though most infections of the Zika Virus are mild and cause few or no symptoms, the World Health Organization has declared a global public health emergency. So what is the concern? How bad is it? And who should be most careful? These questions and more are answered on this weeks podcast.

History of Zika - Dr. Coombs describes Zika from its beginnings and explains how the disease is spread.

Microcephaly Connection - Microcephaly, a birth defect that leads to babies being born with abnormally small skulls, seems to be linked to the Zika virus.

Preventing Zika - What measures are recommended to slow the spread of the Zika virus?