1. Total COVID-19 tests per 1,000 people, Sep 28;Ritchie,2020
2. Population-wide Testing of SARS-CoV-2: Country Experiences and Potential Approaches in the EU/EEA and the United Kingdom European Commission Request Definition;E.C. for D.P,2020
3. Epidemiology of COVID-19, Eur. Cent. Dis. Prev. Control;E.C. for D.P,2020
4. Saliva Is More Sensitive for SARS-CoV-2 Detection in COVID-19 Patients Than Nasopharyngeal Swabs;Wyllie,2020
5. Immune response to SARS-CoV-2 and mechanisms of immunopathological changes in COVID-19;Azkur;Allergy Eur. J. Allergy Clin. Immunol.,2020