Background: Asymptomatic infection seems to be a notable feature of severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2), the pathogen that causes coronavirus …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has spread rapidly
throughout the world since the first cases of coronavirus disease 2019 (COVID-19) were …

Background There is substantial disagreement about the level of asymptomatic severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in a population. The …

Background Routine asymptomatic testing using RT-PCR of people who interact with
vulnerable populations, such as medical staff in hospitals or care workers in care homes …

Background: Tests for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
based on reverse transcriptase polymerase chain reaction (RT-PCR) are being used to rule …

Background Accurate seroprevalence estimates of SARS-CoV-2 in different populations
could clarify the extent to which current testing strategies are identifying all active infection …

Importance Asymptomatic infections are potential sources of transmission for COVID-19.
Objective To evaluate the percentage of asymptomatic infections among individuals …

Importance Understanding the effect of serum antibodies to severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) on susceptibility to infection is important for …

Background To reduce transmission of SARS-CoV-2, it is important to identify those who are
infectious. However, little is known about what proportion of infectious people are …

Quantification of asymptomatic infections is fundamental for effective public health
responses to the COVID-19 pandemic. Discrepancies regarding the extent of …