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Incidence Statistics for Types of Group A Streptococcal Infections

The information below shows a list of types of Group A Streptococcal Infections, with information as to the annual incidence of each of these types of Group A Streptococcal Infections. Estimates of the people affected each year are calculated based on the available statistics.

Incidence Statistics for Types of Group A Streptococcal Infections

Disease

Incidence Estimate

US people estimate

Statistic Used for Calculation

Invasive Group A Streptococcal disease approx 1 in 114,189 or 0.00% or 2,382 people in USA 2,382 2,382 annual cases notified in USA 1999 (MMWR 1999); 1.95 per 100,000 in Canada 20001
necrotizing fasciitis approx 1 in 453,333 or 0.00% or 600 people in USA 599 600 cases (DBMD)
Streptococcal Toxic Shock Syndrome approx 1 in 4,459,016 or 0.00% or 61 people in USA 61 61 annual cases notified in USA 1999 (MMWR 1999)
rheumatic fever approx 1 in 83 or 1.20% or 3.3 million people in USA 3,264,000 12 per 1000 (NHIS95)
post-streptococcal glomerulonephritis N/A N/A No information

Incidence Statistics for Group A Streptococcal Infections


Incidence of Group A Streptococcal Infections:

3.2 cases per 100,000 (DBMD)

Incidence Rate:

approx 1 in 31,249 or 0.00% or 8,704 people in USA [about data]

Types of Group A Streptococcal Infections

For more information about types of Group A Streptococcal Infections, refer to our section on types of Group A Streptococcal Infections.

About incidence:

The medical term 'incidence' of Group A Streptococcal Infections usually refers to the annual diagnosis rate of new cases of Group A Streptococcal Infections. Prevalence is a different medical disease measure that refers to the estimated population of people who are managing Group A Streptococcal Infections at any given time (e.g. prevalence includes people who have had a medical condition for a long time). For more information on prevalence and incidence statistics, see about prevalence and incidence statistics.



Footnotes:
1. Notifiable Diseases Online, PPHB, Canada, 2000
 

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