Background Risk compensation, or matching behavior to a perceived level of acceptable
risk, can blunt the effectiveness of public health interventions. One area of possible risk …

Objective: Assess university students' SARS-CoV-2 antibody seroprevalence and mitigation
behaviors over time. Participants: Randomly selected college students (N= 344) in a …

Background To improve understanding of the antibody response to SARS-CoV-2 infection,
we examined seroprevalence, incidence of infection, and seroconversion among a cohort of …

Objective: This study assessed the seroprevalence of SARS-CoV-2 antibodies at two
timepoints to evaluate the effectiveness of COVID-19 precautions in two colleges …

Background Colleges and universities across the United States are developing and
implementing data-driven prevention and containment measures against severe acute …

Objective To assess the impact of describing an antibody-positive test result using the terms
Immunity and Passport or Certificate, alone or in combination, on perceived risk of becoming …

Early in the COVID-19 pandemic, de-velopers designed SARS-CoV-2 antibody tests to
detect whether people had been infected. Some experts thought the blood tests eventually …

Background University students commonly received COVID-19 vaccinations before
returning to US campuses in the Fall of 2021. Given likely immunologic variation among …

Objective We conducted a longitudinal study to estimate immunity produced in response to
severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection among university …

Extensive testing lies at the heart of any strategy to effectively combat the SARS-COV-2
pandemic. In recent months, the use of enzyme-linked immunosorbent assay–based …