Ключевые слова: 2021, antibody, antigen, athome, blood cells, booklet, brochure, check, clinical, collection, corona, coronavirus, coronavirus pandemic, cough, danger, diagnostic, disease, epidemic, fingers, guide, health, hold, hospital, information, instruction, instructions, kit, lab, laboratory, lock down, lockdown, loss of smell, medicine, national health service, nhs, nose, outbreak, pandemic, pcr, prevention, quarantine, sample, screening, self, selfisolation, selftest, stay at home, survey, swab, tests,