Final answer:
Impetigo is a contagious skin infection caused by either Staphylococcus aureus alone, Streptococcus pyogenes alone, or a combination of both bacteria. It is commonly seen in children and can be treated with antibiotics.
Step-by-step explanation:
Impetigo is a contagious skin infection that can be caused by either Staphylococcus aureus alone, Streptococcus pyogenes alone, or a combination of both bacteria. It is commonly seen in children and is characterized by the formation of vesicles, pustules, and bullae around the mouth and nose. Topical or oral antibiotics are typically used to treat impetigo.