COVID-19(5) cost-effectiveness(4) cost(2) pandemic(2) Screening(2) Policy(2) outcomes(1) Economic evaluation(1) Care(1) Innovation(1) sub-Saharan Africa(1) HCW(1) Health care(1) Horizon 2020(1) Iran(1) approach(1) identify(1) outcome(1) cost of disease(1) reduce(1) PCR testing(1) Contingent valuation(1) Asymptomatic(1) Pharmaceuticals(1) scoping review(1) sensitivity analysis(1) indicators(1) Critical. Invasive(1) Analysis(1) IgG(1)