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Diseases » Chickenpox » Incidence

Incidence Statistics for Types of Chickenpox

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

Incidence Statistics for Types of Chickenpox


Incidence Estimate

US people estimate

Statistic Used for Calculation

Shingles approx 1 in 544 or 0.18% or 500,000 people in USA 499,999 500,000 cases (NIAID)

Incidence Statistics for Chickenpox

Incidence of Chickenpox:

120,624 annually (1995); 46,016 annual cases notified in USA 1999 (MMWR 1999); 199.14 per 100,000 in Canada 20001

Incidence Rate:

approx 1 in 2,254 or 0.04% or 120,624 people in USA [about data]

Types of Chickenpox

For more information about types of Chickenpox, refer to our section on types of Chickenpox.

About incidence:

The medical term 'incidence' of Chickenpox usually refers to the annual diagnosis rate of new cases of Chickenpox. Prevalence is a different medical disease measure that refers to the estimated population of people who are managing Chickenpox 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.

1. Notifiable Diseases Online, PPHB, Canada, 2000

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