Adult vertebral osteomyelitis caused by Haemophilus influenzae.

Two cases of adult vertebral osteomyelitis with typical symptoms are reported. Haemophilus influenzae serotypes b and c, respectively, were isolated from needle biopsies of the vertebrae. Both patients recovered with antimicrobial treatment, immobilization, and subsequent physiotherapy. No source or predisposing factor for the infection could be found. Only one similar case has been reported in the literature.