Food insecurity during the COVID-19 pandemic

October 2022

Using surveys collected from the CHASING COVID Cohort, we examined food insecurity during the pandemic. 31% of our cohort reported some degree of food insecurity. Black and Hispanic respondents, households […]

Incidence and risk factors for SARS-CoV-2

October 2022

Using specimens collected from the CHASING COVID Cohort, we estimated the incidence of SARS-CoV-2 infection by January 2021. Among 3,422 participants who tested negative in May-September 2020 and retested during […]

Determinants of vaccine hesitancy and uptake

January 2022

We explored the relationships between various factors and vaccine hesitancy over time, and the association between hesitancy and subsequent vaccine uptake among populations eligible to be vaccinated. We found that […]

Patterns of preferences for SARS-CoV-2 testing

December 2021

We analyzed data from the discrete choice experiment on SARS-CoV-2 testing features and found five distinct patterns of preferences among our participants: Noninvasive home testers, who were the most strongly […]

Parents’ intentions to vaccinate children

December 2021

About half of the CHASING COVID Cohort participants who are parents reported that their children were vaccinated against COVID-19 when they became eligible. Parents’ hesitancy to vaccinate their children against […]

Gathering for Thanksgiving and risk perception

April 2021

We explored the relationships between individuals’ behaviors, risk perceptions, and decisions to gather with other households during Thanksgiving in late November 2020 and the risk of subsequent SARS-CoV-2 test seeking […]

Recent SARS-CoV-2 seroconversion

April 2021

The CHASING COVID Cohort has conducted two rounds of serologic testing for SARS-CoV-2 antibodies, the first from May to September, 2020 (Period 1), and the second from November 2020 to […]