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Diseases » Blastomycosis » Prevalence
 

Prevalence and Incidence of Blastomycosis

Blastomycosis: Rare Disease

Blastomycosis is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Blastomycosis, or a subtype of Blastomycosis, affects less than 200,000 people in the US population.

Blastomycosis Prevalence: Book Excerpts

Incidence (annual) of Blastomycosis:

1-2 cases per 100,000 (DBMD) ... see also overview of Blastomycosis.

Incidence Rate:

approx 1 in 100,000 or 0.00% or 2,720 people in USA [Source statistic for calcuation: "1-2 cases per 100,000 (DBMD)" -- see also general information about data sources]

Incidence extrapolations for USA for Blastomycosis:

2,720 per year, 226 per month, 52 per week, 7 per day, 0 per hour, 0 per minute, 0 per second. [Source statistic for calculation: "1-2 cases per 100,000 (DBMD)" -- see also general information about data sources]

Prevalance of Blastomycosis:

1-2 cases per 100,000 population in areas with endemic disease. (Source: excerpt from Blastomycosis: DBMD)

Prevalence/Incidence of Blastomycosis: Online Medical Books

16 MEDICAL BOOKS ONLINE! Review excerpts from medical books online, free, without registration, for more information about the prevalence and/or incidence of Blastomycosis.

Blastomycosis: Causes and incidence
(Professional Guide to Diseases (Eighth Edition))

B. dermatitidis is probably inhaled by people who are in close contact with the soil. The incubation period may range from weeks to months. Blastomycosis is generally found in North America (where B. dermatitidis normally inhabits the soil), and is endemic to the southeastern United States. Sporadic cases have also been reported in Africa. Blastomycosis usually infects men ages 30 to 50, but no occupational link has been found.

» READ BOOK EXCERPT ONLINE »

Source: Professional Guide to Diseases (Eighth Edition), 2005

Blastomycosis: Blastomycosis - epidemiology
(The 5-Minute Pediatric Consult)

  • Similar to other dimorphic fungi, B. dermatitidis is a soil saprophyte (mycelial form).
  • No person-to-person transmission has been documented.

Blastomycosis - prevalence

  • Infection is endemic in the US in the southeast and central states and in the towns bordering the Great Lakes, with the highest incidence in Arkansas, Kentucky, Louisiana, Mississippi, North Carolina, Tennessee, and Wisconsin.
  • Other reported areas of infection include parts of Canada (Ontario, Manitoba), Africa, India, and South America.
  • Disease may be more severe and chronic in children with T-cell defects (especially HIV infection).
  • Children account for 3–11% of cases of blastomycosis.

» READ BOOK EXCERPT ONLINE »

Source: The 5-Minute Pediatric Consult, 2008

About prevalence and incidence statistics:

The term 'prevalence' of Blastomycosis usually refers to the estimated population of people who are managing Blastomycosis at any given time. The term 'incidence' of Blastomycosis refers to the annual diagnosis rate, or the number of new cases of Blastomycosis 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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