Ключевые слова: biotechnology, black, business, clinical, corona, covid, covid19, crisis, danger, defense, diagnosis, doctor, drug, epidemic, experiment, experimental, exploration, explore, face mask, facemask, fight, finance, financial crisis, isolated, lab, laboratory, mask, medical, medicine, microbiology, money, pandemic, protection, quarantine, research, respirator, sample, stop, testtube, tube, vaccination, virus,