doctor, coronavirus, hospital, quarantine, 2019-ncov, aid, ambulance, assessment, care, clinic, covid-19, diagnosis, diagnostic, disease, emergency, ems, epidemic, exterior, external, female, fight, flu, frontline, health, health care, help, infection, isolation, mask, medical, outdoor, outside, paramedics, patient, priority, protection, protective, sars-cov-2, service, spread, station, stress, symptoms, tent, therapy, treatment, triage, virus, worker