A patient received a bite wound from an animal and developed cellulitis as a result. The nurse explains to the patient that this infection is most likely caused by:

Staphylococcus aureus.
Streptococcus pyogenes.

Explanation

• Cellutitis is most commonly caused by Streptococcus pyogenes and Staphylococcus aureus

• Strep pyogenes can also cause strep throat, rheumatic fever, necrotizing fascitis, and glomerulonephritis

• Staph aureus can also cause atopic dermatitis, necrotizing fascitis, impetigo, folliculitis, meningitis, osteomyelitis, and sepsis

• Strep pneumoniae is the leading cause of pneumonia and can also cause otitis media, sinusitis, and meningitis

• Pseudomonas aeruginosa causes UTIs, atypical pneumonia, and infections in burns

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