by Leila Macor Kerry Sheridan MIAMI, United States (AFP)   Zika fears prompted US health authorities on Monday to issue a travel warning for a small section of Miami where local mosquitoes have spread the virus to 14 people, officials said. “We advise pregnant women to avoid travel to this area,” said Centers for Disease Control and Prevention chief Tom Frieden, noting that the virus can cause the birth defect, microcephaly. The area to avoid […]