Ключевые слова: africa, b11529, blood, care, cdc, clinic, corona, coronavirus, covid, covid19, delta, diagnostic, disease, dna, doctor, epidemic, genetic, health, healthcare, holding, hospital, illness, lab, medical, medicine, mutant, mutation, new, nhs, novel, nurse, omicron, pandemic, patient, positive, ppe, research, result, rna, sarscov2, science, serologic, serology, strain, test, tube, uk, vaccine, variant, virus,