What is the incidence of Pasteurella multocida infection in the US?

Updated: Nov 07, 2019
  • Author: Sara L Cross, MD; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

According to the American Pet Products Association, approximately 180 million dogs and cats live in the United States, cats currently outnumbering dogs by 12 million. Animal bites account for 1% (300,000) of annual emergency department visits. The estimated cost in health care expenditures has been reported to be $30 million per year. Approximately 10% of animal bites require medical attention; 1-2% eventually require hospitalization.

Approximately 5 million animal bites are reported annually. The vast majority of animal bites involve dogs (85-90%), followed by cats (5-10%).

Infectious complications occur in approximately 15-20% of dog-related bites and more than 50% of cat-related ones. Dog bites are associated with younger animals engaging in playful activities, mostly with children. German shepherd, pit bull, Staffordshire terrier, and mixed breeds are most commonly involved with human bites, while the golden retriever and Labrador retriever are least. Cat bites are usually provoked, typically by female felines, and occurring on the upper extremities or face. Sharp and long teeth of cats can easily penetrate human skin and create a deep puncture wound and even inoculate the periosteum component of bones. Indeed, cat-related wounds more commonly progress to more serious and deeper-tissue infections, including osteomyelitis and meningitis.


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