Simulated net‐benefit of polymerase chain reaction test for COVID‐19 among asymptomatic patients

In order to prevent the in-hospital novel coronavirus disease 2019 (COVID-19) pandemic, some authorities have suggested that polymerase chain reaction (PCR) testing should be performed on all patients admitted to the emergency department, even if they are asymptomatic.1 However, it is unclear whether this strategy is effective or not. Thus, our simulation study showed the circumstances and net benefits of performing PCR testing for all...