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Prevalence and Incidence of Rocky Mountain spotted fever

Incidence (annual) of Rocky Mountain spotted fever:

579 annual cases notified in USA 1999 (MMWR 1999) ... see also overview of Rocky Mountain spotted fever.

Incidence Rate:

approx 1 in 469,775 or 0.00% or 578 people in USA [Source statistic for calcuation: "579 annual cases notified in USA 1999 (MMWR 1999)" -- see also general information about data sources]

Incidence extrapolations for USA for Rocky Mountain spotted fever:

578 per year, 48 per month, 11 per week, 1 per day, 0 per hour, 0 per minute, 0 per second. [Source statistic for calculation: "579 annual cases notified in USA 1999 (MMWR 1999)" -- see also general information about data sources]

Prevalance of Rocky Mountain spotted fever:

In the last 50 years, approximately 250-1200 cases of Rocky Mountain spotted fever have been reported annually, although it is likely that many more cases go unreported. (Source: excerpt from Rocky Mountain Spotted Fever: Epidemiology: DVRD)

About prevalence and incidence statistics:

The term 'prevalence' of Rocky Mountain spotted fever usually refers to the estimated population of people who are managing Rocky Mountain spotted fever at any given time. The term 'incidence' of Rocky Mountain spotted fever refers to the annual diagnosis rate, or the number of new cases of Rocky Mountain spotted fever diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.

 

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