How does the incidence of cat scratch disease (CSD) vary by sex?

Updated: Feb 16, 2021
  • Author: Robert A Schwartz, MD, MPH; Chief Editor: Michael Stuart Bronze, MD  more...
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In some case series, CSD occurs more frequently in males than females (male-to-female ratio of 3:2), while others show equal rates between males and females. One hypothesis to explain a greater incidence among males is the tendency toward rougher play with kittens and cats and consequently an increased risk of bites and scratches.

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