pneumococcal       
adjective uk/ˌnjuː.məˈkɒkəl/ us/ˌnuː.moʊˈkɑː.kəl/
 肺炎球菌的
caused by or relating to the bacteria pneumococcus (= a bacteria that causes many infections in humans, including pneumonia, meningitis, and ear infections)
  a pneumococcal infection 肺炎球菌感染 
 The pneumococcal vaccine, Prevnar, is mainly given to prevent meningitis. 肺炎球菌疫苗Prevnar主要用于预防脑膜炎。 
 See: pneumococcus
 - More examples
 - Pneumococcal meningitis can be fatal.
 - 2-5 year olds who attend day care are at three times more likely to get invasive pneumococcal disease than children not in child care.
 - The findings of this study is that it is perfectly safe to give the pneumococcal vaccination.