Ключевые слова: bacterial, breath, breathing, cleanse, clinical, contagious, corona, deadly, epidemic, flu, genetic, germ, global, headache, healthcare, help, hospital, ill, illness, infection, infectious, influenza, micro, microbiology, microscopic, personal, protect, research, respiratory, rubbing, sanitation, science, scientific, sick, sickness, skin, sneeze, social, solution, sphere, standard, sterile, surgical, syndrome, therapy, vaccine, viral, virus, world, worldwide,