 Anaerobic gram-positive cocci such as "Peptostreptococcus" are the second most frequently recovered anaerobes and account for approximately one quarter of anaerobic isolates found.Most often Anaerobic gram-positive cocci are usually recovered mixed in with other anaerobic or aerobic bacteria from various infections at different sites of the human body.This contributes to the difficulty of isolating "Peptostreptococcus" organisms.