Ключевые слова: adult, african, allergies, allergy, alone, bad, chemistry, clinic, cold, corona, covid, disease, doctor, employee, flu, health, healthcare, hospital, ill, influenza, inside, job, lab, laboratory, man, medic, medical, medicine, modern, nose, old, people, person, professional, research, researcher, risk, science, scientist, sick, sinus, sinusitis, sneeze, staff, tissue, virus, wellness, work, worker, working,