In what regions of the US is the incidence of cat scratch disease (CSD) highest?

Updated: Feb 16, 2021
  • Author: Robert A Schwartz, MD, MPH; Chief Editor: Michael Stuart Bronze, MD  more...
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Cases of CSD occur throughout the United States. The incidence is greater in regions with higher temperatures and humidity (eg, Hawaii, Pacific Northwest, southeastern states, coastal California), while Alaska, the Rocky Mountains, and midwestern states have a prevalence lower than the median. Only 1 genotype of B henselae has been reported in North America.

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