Bacteremia Caused by Both Serogroup 2 and .

A 74-year-old woman with a history of pure red cell aplasia and hypogammaglobulinemia developed pneumonia. A urine antigen test and sputum subculture on buffered charcoal yeast extract (BCYE)α agar were positive for . Serological testing identified serogroup 2. An aerobic blood culture also became positive on day 5; its subculture on BCYEα agar revealed the same pathogen, but that on blood agar revealed . We thus diagnosed her with bacteremia caused by both pathogens. Hence, in cases of bacteremia along with pneumonia, the screening of other pathogens including is needed.