Who may participate

Each clinical study has its own guidelines for who may participate, called eligibility criteria. These factors can include your age, sex, overall health, type and stage of disease, and personal treatment history. However, only the research study staff can determine if you qualify to enroll in the study.

Condition
Pneumonia
Sex
Male or Female
Age
18+ years
Healthy participants
No

Eligibility criteria

Study overview

The purpose of this study is to learn how effective is PCV20 to help stop adults from getting pneumonia. Pneumonia is an infection of the lungs that can be caused by germs like bacteria, virus, or fungi. This study uses existing healthcare information. No participants will be actively enrolled. The information of participants will be taken from Kaiser Permanente Southern California's (KPSC) electronic health records (EHR).

We will look at the EHR information for adults who meet the following points:

  • 18 years of age or older and a KPSC member as of 01 July 2022.
  • have been a KPSC member for at least one year before 01 July 2022.
  • have not received PCV15.
  • have had pneumonia or lower respiratory tract infection within 30 days of 01 July 2022.


The study will begin from 01 July 2022 and will be followed through 30 June 2025. At the end of the follow-up period, the study will compare the number of pneumonia cases among people who receive PCV20 who do not receive it.

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    Study Locations

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