A Japanese nationwide survey of 23-valent pneumococcal capsular polysaccharide vaccine (PPSV23) coverage among patients with chronic medical condition aged 50 and older

ABSTRACTThe 23-valent capsular polysaccharide pneumococcal vaccine (PPSV23) was introduced in Japan’s routine immunization schedule October 2014. It was recommended for adults aged 65 years (includ...