Background The diagnostic challenges associated with the COVID‐19 pandemic resulted in
rapid development of diagnostic test methods for detecting SARS‐CoV‐2 infection. Serology …

Background Progress in characterising the humoral immune response to Severe Acute
Respiratory Syndrome 2 (SARS-CoV-2) has been rapid but areas of uncertainty persist …

An important unknown during the coronavirus disease-2019 (COVID-19) pandemic has
been the infection fatality rate (IFR). This differs from the case fatality rate (CFR) as an …

COVID-19, caused by the SARS-CoV-2 virus, has developed into a global health crisis,
causing over 2 million deaths and changing people's daily life the world over. Current main …

Background To accurately interpret COVID-19 seroprevalence surveys, knowledge of serum-
IgG responses to SARS-CoV-2 with a better understanding of patients who do not …

Background Understanding the longitudinal trajectory of severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) antibodies is crucial for diagnosis of prior infection and …

Consenso colombiano de atención, diagnóstico y manejo de la infección por SARS-COV-2/COVID-19
en establecimientos de atención de la salud. Recomendaciones basadas en consenso de …

Objectives To determine how the false negative test probability in infected patients depends
on the time since symptom onset and swab type. Methods We use General Additive Mixed …

Background The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) which
emerged in late 2019 has spread globally, causing a pandemic of respiratory illness …

The emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has
resulted in a global pandemic, prompting unprecedented efforts to contain the virus. Many …