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Ophanet, who are a consortium of European partners, currently defines a condition rare when if affects 1 person per 2,000. They list Diphtheria as a "rare disease". More information about Diphtheria is available from Orphanet
1 annual case notified in USA 1999 (MMWR 1999) ... see also overview of Diphtheria.
approx 1 in 272,000,000 or 0.00% or 1 people in USA [Source statistic for calcuation: "1 annual case notified in USA 1999 (MMWR 1999)" -- see also general information about data sources]
1 per year, 0 per month, 0 per week, 0 per day, 0 per hour, 0 per minute, 0 per second. [Source statistic for calculation: "1 annual case notified in USA 1999 (MMWR 1999)" -- see also general information about data sources]
For details see incidence of types of Diphtheria analysis; summary of available incidence by type data:
Approximately 0.001 cases per 100,000 population in the U.S. since 1980; before the introduction of vaccine in the 1920s incidence was 100-200 cases per 100,000 population. Diphtheria remains endemic in developing countries. The countries of the former Soviet Union have reported >150,000 cases in an epidemic which began in 1990. (Source: excerpt from Diphtheria: DBMD)
The following statistics relate to the incidence of Diphtheria:
The following statistics relate to deaths and Diphtheria:
The term 'prevalence' of Diphtheria usually refers to the estimated population
of people who are managing Diphtheria at any given time.
The term 'incidence' of Diphtheria refers to the annual diagnosis rate,
or the number of new cases of Diphtheria 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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