LOCAL NEWS New COVID subvariant identified in Delaware as cases continue to surge philadelphia BY STEPHANIE STAHL SEPTEMBER 5, 2023 / 9:15 PM / CBS PHILADELPHIA PHILADELPHIA (CBS) -- A new COVID subvariant has been identified Tuesday for the first time in our area, in Delaware. This comes as cases are increasing now and also striking again in the White House. The First Lady has COVID, and the President has tested negative twice but will be wearing a mask when he's inside around people as a precaution. Doctors say because of her age 72, Jill Biden is at risk for...