Ключевые слова: antihistamine, c, cant, chills, clinic, cloud, cold, common, concept, coughing, cure, day, decongestant, doctor, drop, fever, germs, hands, hygiene, illness, medicine, miss, nasal, rx, school, sick, sleep, sneeze, sniffle, sore, spread, throat, tissue, virus, vitamin, walk, wash, word,