Robert Orenstein, DO
To the editors: In their population-based study of invasive Haemophilus influenzae infections in adults, Farley and colleagues reported only one case of H. influenzae bacteremia due to serotype f-a pneumonia (1). Although uncommon, it causes invasive disease that is virtually indistinguishable from serotype b (2). We recently cared for a patient with recurrent H. influenzae serotype f, biotype 1 bacteremia due to an infected abdominal aortic aneurysm.
A 58-year-old black farmer presented with a 5-day history of intermittent abdominal pain, anorexia, fever, chills, and constipation. He had a history of diabetes mellitus, hypertension, peripheral vascular disease, and IgG-kappa multiple myeloma
Orenstein R. Invasive Haemophilus influenzae. Ann Intern Med. ;117:621–622. doi: 10.7326/0003-4819-117-7-621
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Published: Ann Intern Med. 1992;117(7):621-622.
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