U.S. – over 45,500 new coronavirus cases in single day, including over 5,500 in Florida, 7,000 in California?; New York, New Jersey, Connecticut requiring travelers from COVID hot spots to quarantine for two weeks; Summer sun can kill coronavirus in 34 minutes?; What precautions infectious disease experts are taking to run errands and socialize safely; How to stay safe and reduce coronavirus risk while flying; Face shields versus face masks.