doctor, male, 2019-ncov, caucasian, clinic, coronavirus, covid19, disease, emergency room, epidemic, equipment, face, gloves, health, healthcare, hospital, illness, infection, infectious, infirmary, intern, laboratory, man, medical, medical mask, medicine, nurse, nursing school, outbreak, pandemic, patient, person, physician, pneumonia, protection, protective equipment, protective suit, quarantine, science, scrubs, self-quarantine, sick, social distancing, stethoscope, surgeon, tube, vaccine, virus