To the Editor.
—Chlamydia trachomatis pneumonia is common in the newborn. It is, however, a rare event in adults, even in the immunocompromised host. In most of the reported cases the diagnosis had been made serologically. In addition to the few culture-proven cases the following patient is described.14
Report of a Case.
—In 1974 multiple myeloma (IgG κ) was diagnosed in a 39-year-old woman, initially treated with melphalan and prednisone, and subsequently with courses of cyclophosphamide, vincristine, and prednisone. Because of recurrent infections, mainly due to Escherichia coli, a prophylactic therapy of norfloxacin (400 mg, twice a day) was given.In January 1987, she was admitted because of a temperature of up to 39.6°C of two weeks duration. Ten days before admission she had noticed an infiltrate on the right thigh and she had a nonproductive cough for one week. A few fine rales were heard over the