杉山先生の論文がJournal of Epidemiologyに掲載されました。

J Epidemiol. 2024 Dec 7. doi:10.2188/jea.JE20240285.
Association Between Introduction of the 23-valent Pneumococcal Polysaccharide Vaccine (PPSV23) and Pneumonia Incidence and Mortality Among General Older Population in Japan: A Community-Based Study
Aya Sugiyama, Masaaki Kataoka, Kentaro Tokumo, Kanon Abe, Hirohito Imada, Bunlorn Sun, Golda Ataa Akuffo, Tomoyuki Akita, Shingo Fukuma, Noboru Hattori, Junko Tanaka.