1. Coronavirus Outbreak Is Stretching New York's Ambulance Service to Breaking Point;Paltrow,2020
2. NYC First Responders Describe 'Devastating' Coronavirus Cases as Cardiac Arrest Calls Surge;Silva,2020
3. Coronavirus Cases Double Among Mass. First Responders;Hager,2020
4. Coronavirus Continues to Sideline Dozens of Boston's First Responders;McDonald,2020
5. Over 320 LA County Healthcare Workers Test Positive For Coronavirus;CBS Los Angeles Staff,2020