Age- and time-dependent waning vaccine effectiveness of PPV23 against community-acquired pneumonia among adults aged 60 and older: A cohort study

Age- and time-dependent waning vaccine effectiveness of PPV23 against community-acquired pneumonia among adults aged 60 and older: A cohort study

The 23-valent pneumococcal polysaccharide vaccine (PPV23) is recommended for adults to prevent pneumococcal diseases, while its effectiveness over time remains unclear. This study aimed to assess the age- and time-dependent effectiveness of PPV23 in reducing community-acquired pneumonia (CAP) incide...

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Bibliographic Details
Main Authors: Biying Wang, Chen Qian, Yanan Wu, Liping Yi, Hongjie Yu, Xiaohua Liu, Yonggen Jiang, Tao Zhang, Genming Zhao
Format: Article
Language:English
Published: Taylor & Francis Group 2025-12-01
Series:Human Vaccines & Immunotherapeutics
Subjects:
Pneumococcal vaccination
Pneumonia
Vaccine effectiveness
Elderly
Waning
Online Access:https://www.tandfonline.com/doi/10.1080/21645515.2025.2541508
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