Ключевые слова: 2019, alert, analyzing, attention, biohazard, blood, breathing, caution, clinic, clinical, contagion, coronavirus, cov, covid19, detected, diagnosis, diagnostic, disease, epidemic, experiment, flu, global, hazard, health, ill, infectious, mask, merscov, ncov, pandemic, respiratory, risk, sample, sars, scientific, serological, sick, sickness, surgical, test, testtube, treatment, virus, warning,