Ключевые слова: bacteria, care, cells, century, contagion, contagious, deadly, diseases, document, epidemic, epidemics, epidemiology, generative ai, germ, health, healthcare, historical, history, immune, infected, infectious, medical, medicine, microbe, microbes, microbiology, micrograph, microorganisms, microscopic, molecules, organism, orthopoxvirus, pathogen, pathogens, record, respiratory, science, smallpox, strain, under a microscope, vaccination, variola, viral, virology, virus, viruses,