Ключевые слова: analysis, assistant, background, bad, biology, break, chemist, clean, clear, clinic, coronavirus, covid19, discovery, doctor, emergency medical care, equipment, experiment, eyewear, glasses, gloves, guy, help, hospital, illness, indoors, isolated, job, lab, male, man, mask, medical, medicine, occupation, one, person, prevention, problem, protective, quarantine, safety, scientist, sick, siting, solution, test, tired, tool, wearing, work,