As cases and hospitalizations rise in Allegheny County, health officials say it's a combination of unvaccinated individuals as well as the delta variant.
KDKA's Lindsay Ward has the story.
EU countries advised to reintroduce restrictions on US travellers
euronews (in English)
The Delta variant is sending infections and hospitalisations soaring. The US is now registering more than 1,000 new cases per day,..
