Prevalence and Incidence of Giardia
| About prevalence and incidence statistics: The term 'prevalence' of Giardia usually refers to the estimated population of people who are managing Giardia at any given time. The term 'incidence' of Giardia refers to the annual diagnosis rate, or the number of new cases of Giardia 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. |
Incidence (annual) of Giardia: 16.29 per 100,000 in Canada 20001
Incidence Rate: approx 1 in 6,138 or 0.02% or 44,308 people in USA [about data]
Footnotes:
1. Notifiable Diseases Online, PPHB, Canada, 2000
Last revision: May 27, 2003
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