Prevalence and Incidence of Japanese encephalitis


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About prevalence and incidence statistics: The term 'prevalence' of Japanese encephalitis usually refers to the estimated population of people who are managing Japanese encephalitis at any given time. The term 'incidence' of Japanese encephalitis refers to the annual diagnosis rate, or the number of new cases of Japanese encephalitis 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 Japanese encephalitis: 1 case annually in USA (DVBID)
Incidence Rate: approx 1 in 272,000,000 or 0.00% or 1 people in USA [about data]
Prevalance of Japanese encephalitis: Fewer than 1 case/year is reported in U.S. civilians and military personnel traveling to and living in Asia. Rare outbreaks in U.S. territories in Western Pacific have occurred. 1
Worldwide prevalence of Japanese encephalitis:Japanese encephalitis is the leading cause of viral encephalitis in Asia with 30-50,000 cases reported annually.1

Incidence statistics about Japanese encephalitis: The following statistics relate to the incidence of Japanese encephalitis:

  • 0 new cases of Japanese encephalitis per 100,000 population was notified in Australia 2002 (Yohannes K, Roche P, Blumer C et al. 2004, Australia’s Health 2004, AIHW)
  • 0 new cases of Japanese Encephalitis was notified in Australia 2002 (Yohannes K, Roche P, Blumer C et al. 2004, Australia’s Health 2004, AIHW)


Footnotes:
1. excerpt from Questions and Answers About Japanese Encephalitis: DVBID

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