MIAMI (AP) — There's no official warning to stay clear of Florida, but the crowds that usually wander among the bold street murals in Miami's trendy Wynwood arts district may be thinner after reports that mosquitoes in the area have spread the Zika virus on the U.S. mainland for the first time. No mosquitoes in Miami or elsewhere in Florida have tested positive for Zika, but four Miami-area patients who contracted the disease did not get it by traveling to an outbreak country or from sex with an infected person. Gov.