[A Case of Severe Pneumonia and Usefulness of LAMP Assay].

Urinary antigen test is frequently used as a routine laboratory test for early diagnosis of , which is especially suitable for ordinary serogroup 1, but not for other types of . We report a case of severe pneumonia caused by , where a method of loop-mediated isothermal amplification (LAMP) assay contributed an important role for the early detection. This case involved an 83-year-old man who developed fever, dyspnea, and productive cough.