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Vaccination Status of Older Adults with HIV/AIDS: A Study from Brazil

Strategic Insights

— 1 min read

A new study on the vaccination status of older adults with HIV/AIDS in Brazil has been published in the journal AIDS and Behavior. The research, which analyzed data from the ECORSINOS study, found that HIV-positive older adults receive more vaccinations and booster doses than their uninfected peers. The study also identified factors associated with higher vaccination coverage, including age, sex, education level, and marital status.

Key Takeaways:

  • The study included 110 adults aged 60-82 years, with 49.1% being HIV-positive.
  • The most frequent vaccinations in the exposed group were influenza (96%), hepatitis B (94%), and pneumococcus (92%).
  • HIV-positive older adults received more vaccinations and booster doses than their uninfected peers.
  • The highest vaccination coverage rates were for influenza and diphtheria-tetanus.
  • Factors associated with higher vaccination coverage included being 70 years of age, being a woman, having a lower education level, and being single.

Statistics:

  • 110 adults aged 60-82 years were included in the study.
  • 49.1% of participants were HIV-positive.
  • 96% of HIV-positive individuals received the influenza vaccine.
  • 94% of HIV-positive individuals received the hepatitis B vaccine.
  • 92% of HIV-positive individuals received the pneumococcus vaccine.
  • 75% of HIV-negative individuals received the diphtheria-tetanus vaccine.
  • 69% of HIV-negative individuals received the influenza vaccine.
  • 66% of HIV-negative individuals received the hepatitis B vaccine.

Sources:

  • Lerner, E. da R., et al. "Older Adults and Vaccination Status: A Cross-Sectional Analysis of the "ECORSINOS" Study." AIDS and Behavior, 2025.
  • AIDS Vaccine Week. October 27, 2025.
  • Springer|plenum Publishers. 233 Spring St, New York, NY 10013, USA.

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