This study, whose sample group consists of predominantly Black and/or Latino adults (aged 18-65), from low-income neighborhoods in New Haven, CT, focuses on identifying undervaccinated subgroups.

• Among the high-risk respondents, those who were uninsured had relatively low flu vaccine uptake.
• Only 29.5% of the high-risk uninsured respondents were vaccinated. Vaccination uptake among high-risk respondents with health insurance was higher.
• 59.0% of high-risk, insured, and never experienced medical mistreatment adults were vaccinated.
• 42.3% of high-risk, insured, and having experienced medical mistreatment were vaccinated.