Clinical Research Directory

Inclusion Criteria: Adults eligible for seasonal COVID-19 vaccine, ages 18 and older Signed informed consent form (ICF) and agree to participate in the study Prior receipt of one or more COVID-19 vaccines Exclusion Criteria: * If a person is experiencing a moderate or severe illness or infection (as judged by the study investigator) or has a fever (temperature of 38.0°C or higher) on the day they are supposed to participate in the study, they should not join until they are feeling better and the fever is gone. * Anyone with a medical or mental health issue, or problems with substance use that might make taking part in the study risky * People who have had a severe allergic reaction to COVID-19 vaccines in the past * Those who have been diagnosed with inflammation in or around the heart after receiving a COVID-19 vaccine * Individuals who have received any other vaccine within a week before joining the study or who plan to get a vaccine on the same day as the study or within 7 days afterward