COVID-19(10) Testing(7) Spread(6) Patient(5) Result(5) vaccination(5) objective(5) pandemic(5) Infectious disease(4) utility(4) determine(3) Thompson(3) epidemiological(3) Critical(3) Prevalence(3) Feasibility study(3) Uncertainty(3) Germany(3) individual(3) lesson(3) feasibility(3) application(3) extension(3) the disease(3) virus(3) reference test(3) country(3) disease spread modeling(3) Surveillance(3) tested(3)