TribLIVE's Daily and Weekly email newsletters deliver the news you want and information you need, right to your inbox. Allegheny County’s coronavirus case total grew by 830 on Wednesday, putting the county on pace to reach 50,000 later this week. At its current pace — after averaging 819 cases per day over the past week — the county’s total will hit 50,000 on Christmas Day. Only Philadelphia has reached that total, crossing 50,000 on Nov. 17. It now has 82,788 cases. The new cases bring the county’s total to 48,738, according to the Allegheny County Health Department. The new cases — 621 confirmed and 209 probable — stem from 2,224 new PCR tests.