ORLANDO, Fla. — Florida is rapidly approaching the peak of new infections of the delta wave, when the highest single-day counts could come, according to two models created by researchers at Florida universities. One model created by University of South Florida researchers predicts the state will hit the most daily infections by Aug. 24, bringing about 23,000 that day, said Dr. Edwin Michael. Because the delta variant has infected so many unvaccinated people, and more than 66% of Floridians have been immunized, he said the state will likely hit herd immunity in early September. If immunity gain...