A forty-year review of Rocky Mountain spotted fever cases in California shows clinical and epidemiologic changes
Fig 1
Flow of case evaluation for inclusion in this analysis.
Case reports retrieved from 1980 to 2019 include all those reported as Rocky Mountain spotted fever (RMSF). Conservative case inclusion criteria were applied as described in methods to focus on those cases most likely to be RMSF. Included in the analysis were 31 confirmed cases and 47 probable cases.