Colorado is now facing the challenge of a new, more transmissible, COVID strain called the Delta variant.
Colorado is now facing the challenge of a new, more transmissible, COVID strain called the Delta variant.
There have been two cases of the COVID-19 delta variant in Allegheny County, one from April and another from May.
The city of Pasadena Tuesday joined Los Angeles County health officials in recommending that everyone, regardless of vaccination..