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Bacterial Colonization

The presence and multiplication of bacteria on or within a host without causing clinical signs of disease.

Key Facts

Colonized animals typically carry MRSA in the nasal passages and perianal region without active infection.
Most pets naturally eliminate colonization within a few weeks without medical intervention.
Decolonization therapy with antibiotics is generally not recommended for asymptomatic carriers.
Colonized pets can still transmit the bacteria to humans and other animals.

Colonization can progress to active infection if the host's immune defenses are compromised.

Managing colonized animals relies primarily on environmental hygiene rather than medical treatment.