University of Oklahoma Health Sciences Center

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Author/s:

Jason W. Stull, Jason Brophy, J.S. Weese

Date Added:

December 11, 2025

Journal/Publication:

Canadian Medical Association Journal

URL:

Reducing the risk of pet-associated zoonotic infections

Type:

Meta-analyses, Reviews, and Guidelines

DOI (1):

10.1503/cmaj.141020

PMID (1):

25897046

Keywords

Humans

Animals

Zoonotic infections

MeSH

RPR Commentary

A review of pet-associated zoonotic infections in humans. James W. Mold, MD, MPH

Abstract

Pet ownership can have health, emotional and social benefits; however, pets can serve as a source of zoonotic pathogens. One large, regional survey reported more than 75% of households having contact with a pet,1 and close, intimate interactions with pets (e.g., sleeping in beds with owners, face licking) are common.1,2 Additional surveys suggest that the general public and people at high risk for pet-associated disease are not aware of the risks associated with high-risk pet practices or recommendations to reduce them; for example, 77% of households that obtained a new pet following a cancer diagnosis acquired a high-risk pet.1,3 This statistic is not surprising — studies suggest physicians do not regularly ask about pet contact, nor do they discuss the risks of zoonotic diseases with patients, regardless of the patient’s immune status.1,3,4

We review human infections acquired from pets, their risk factors and means of prevention. We limit the discussion to pet species typically owned by the general public (i.e., dogs, cats, fish, birds, amphibians, reptiles, rabbits and other rodents). Few systematic reviews or robust epidemiologic studies exist on this topic; most of our evidence comes from consensus guidelines and best practices for specific high-risk groups, with extrapolation to others