Interrupted time-series analyses of routine vaccination program for elderly pneumonia patients in Japan; an ecological study using aggregated nationwide inpatient data

• Main Authors: Koichi Kobayashi (Author), Taisuke Jo (Author), Wataru Mimura (Author), Maho Suzukawa (Author), Nobuharu Ohshima (Author), Goh Tanaka (Author), Manabu Akazawa (Author), Hiroki Matsui (Author), Kiyohide Fushimi (Author), Hideo Yasunaga (Author), Takahide Nagase (Author), Hideaki Nagai (Author)
• Format: Book
• Published: Taylor & Francis Group, 2021-08-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

A national routine pneumococcal pneumonia immunization program started in Japan in 2014. It targeted the population aged ≥65 years and used a 23-valent pneumococcal polysaccharide vaccine; PPSV23. However, its effectiveness was not well defined because of the lack of a comprehensive database on the...