Anaerobic bacteria play an important role in diverse clinical infectio
ns. In this review the historical role and prevalence of anaerobes and
their potential impact on the management of patients are discussed in
terms of pleuropulmonary infections, animal and human bite-wound infe
ctions, diabetic foot infections, bacteremia, tetanus, diarrhea due to
Anaerobiospirillum succiniciproducens, and diarrhea due to toxigenic
Bacteroides fragilis.