Ключевые слова: antibiotic, asian, bacterium, biology, brazil, brazilian, china, china virus, chinese, concept, corona, coronavirus, covid 19, covid19, dangerous, detected, diagnosis, disease, doctor, epidemic, fever, flag, flu, health, human, infection, letter, lockdown, medical, organization, pandemic, pathogen, protection, quarantine, rio de janeiro, sars, scrabble, sick, south america, test, treatment, vaccination, virus, who, world,