Why are kittens the main source of cat scratch disease (CSD)?

Updated: Feb 16, 2021
  • Author: Robert A Schwartz, MD, MPH; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Kittens younger than 12 months are 15 times more likely to transmit the disease than adult cats. Kittens are more likely to be bacteremic with B henselae and are more likely to scratch. Individuals who have been scratched or bitten by a kitten are 27 times more likely to become infected, and people who have at least one kitten with fleas are 29 times more likely to become infected than people whose animals were free of fleas.


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