Effectiveness of 23-Valent Pneumococcal Polysaccharide Vaccine Against Pneumococcal Diseases Among the Elderly Aged 60 Years or Older: A Matched Test Negative Case-Control Study in Shanghai, China

• Main Authors: Xiaodong Sun (Author), Xiang Guo (Author), Jing Qiu (Author), Genming Zhao (Author), Xinxin Xu (Author), Abram L. Wagner (Author), Hongli Jiang (Author), Zhuoying Huang (Author), Jia Ren (Author), Xiaoying Ma (Author), Xiufang Liang (Author), Yao Yao (Author), Jialing Wu (Author), Yihan Lu (Author)
• Format: Book
• Published: Frontiers Media S.A., 2021-09-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Background:Streptococcus pneumoniae infection among adults, especially in adults over 60 years old in China results in a large number of hospitalizations and a substantial financial burden. This study assessed the vaccine effectiveness (VE) of 23-valent pneumococcal polysaccharide vaccine (PPV23) ag...