The organisms that play an important role in the immunocompetent host under normal circumstances include S. aureus, S. pyogenes (group A b-hemolytic streptococcus), and H. influenzae (Table 117-7). In general, S. aureus is the most common and H. influenzae the least among the three major pathogens, particularly in children immunized against H. influenzae type B.5 However, in certain anatomic locations, particularly for young or unimmunized children, H. influenzae remains an important consideration. Additionally, unusual organisms may cause cellulitis in immunocompromised hosts or following their introduction in special types of wounds
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The term vaginitis is one that is applied to any inflammation or infection of the vagina, and there are many different conditions that are categorized together under this ‘broad’ heading, including bacterial vaginosis, trichomoniasis and non-infectious vaginitis.