An update is available for this article. Background: The clinical significance of the antibody
response after SARS-CoV-2 infection remains unclear. Purpose: To synthesize evidence on …

An update is available for this article. Background: The strength and duration of immunity
from infection with SARS-CoV-2 are important for public health planning and clinical …

Background: The clinical utility of severe acute respiratory syndrome coronavirus 2 (SARS-
CoV-2) antibodies remains undefined. Objective: To determine the clinical validity and utility …

Background: A substantial proportion of persons who develop COVID-19 report persistent
symptoms after acute illness. Various pathophysiologic mechanisms have been implicated …

Background Little is known about the nature and durability of the humoral immune response
to infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Methods …

Background The relationship of host immune response and viral replication with health
outcomes in patients with COVID-19 remains to be defined. We aimed to characterize the …

Widespread availability of commercial assays that detect anti–severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) antibodies has enabled researchers to examine …

Objective To follow serological immune responses of front-line healthcare workers after PCR-
confirmed COVID-19 for a mean of 30 weeks, describe the time-course of SARS-CoV-2 …

Objectives Initial reports indicate adequate performance of some serology-based severe
acute respiratory syndrome coronavirus 2 (SARS-CoV-2) assays. However, additional …

Background The prevalence and persistence of antibodies following a peak SARS-CoV-2
infection provides insights into its spread in the community, the likelihood of reinfection and …