ORLANDO, Fla. — As a new strain of COVID-19′s omicron variant dominates the virus in Florida, the state’s statistics are showing mixed signals, leaving uncertainty about what’s to come for the remainder of the summer. The number of Florida hospital patients who have COVID-19 is its highest since mid-February, at 4,172 as of Thursday. And even as Central Florida’s testing positivity rates have remained relatively stable over the past two weeks, Orange, Osceola, Seminole and Lake all have rates over 20% and community levels remain in the U.S. Centers for Disease Control’s “high” category. Epidem…