Ключевые слова: antivirus, biology, cells, coronavirus, disease, epidemic, genetic, health, herpes, immune, infection, infectious, infectious agent, influenza, influenza virus, microbiology, microscopic, mutation, norovirus, organic, pandemic, pathogen, pneumonia, prevention, replicates, research, respiratory disease, respiratory infections, rhinovirus, rotavirus, science, transmission, vaccines, viral pneumonia,