Ключевые слова: analysis, biotechnology, child, closeup, corona, coronavirus, cotton, covid19, disease, dna, doctor, epidemic, equipment, expertise, female, flu, genealogy, genetic, girl, health, infection, innocence, kid, lab, laboratory, medic, medical, medicine, mouth, mucous, nasal, nurse, pandemic, paternity, patient, people, professional, research, saliva, sample, science, surgeon, swab, test, toddler, treatment, trust, tube, virus, woman,