Ключевые слова: background, biochemist, biochemistry, biology, biotechnology, chemist, country, danger, disease, education, emergency, epidemia, equipment, experiment, flag, flu, flu season, german, germany, germany flag, health, health care, healthcare, healthy, illness, infection, infectious, laboratory, medical, medicine, microbiology, microscope, national, occupation, pandemic, pathogen, pharmaceutical, pharmaceutical research, prevention, research, researcher, science, symbol, technology, test, test slide, virology, virus,