Drs. Terence Dermody and Mark Gladwin: On covid-19, we need to keep at it
The covid-19 pandemic continues to rage, with rates of new infections increasing in many parts of the country, including in Western Pennsylvania. In Allegheny County alone, almost 15,000 people, or just over 1.2% of the county’s population, have tested positive for SARS-CoV-2, the coronavirus that causes covid-19, and over 400...