noun
pneumococcus; Streptococcus pneumoniae
Medical term for the bacterium that causes pneumonia and other infections.
肺炎球菌は肺炎の主な原因菌の一つです。
Pneumococcus is one of the main causative bacteria of pneumonia.
高齢者は肺炎
Elderly people are recommended to receive the pneumococcal vaccine.