387 annual cases notified in USA 1999 (MMWR 1999); rare due to MMR vaccination ... see also overview of Mumps.
approx 1 in 702,842 or 0.00% or 387 people in USA [Source statistic for calcuation: "387 annual cases notified in USA 1999 (MMWR 1999); rare due to MMR vaccination" -- see also general information about data sources]
387 per year, 32 per month, 7 per week, 1 per day, 0 per hour, 0 per minute, 0 per second. [Source statistic for calculation: "387 annual cases notified in USA 1999 (MMWR 1999); rare due to MMR vaccination" -- see also general information about data sources]
The following statistics relate to the incidence of Mumps:
16 MEDICAL BOOKS ONLINE! Review excerpts from medical books online, free, without registration, for more information about the prevalence and/or incidence of Mumps.
The mumps paramyxovirus is found in the saliva of an infected person and is transmitted by droplets or by direct contact. The virus is present in the saliva 6 days before to 9 days after onset of parotid gland swelling; the 48-hour period immediately preceding onset of swelling is probably the time of highest communicability. The incubation period ranges from 14 to 25 days (the average is 18). One attack of mumps (even if unilateral) almost always confers lifelong immunity.
Mumps is most prevalent in children between ages 6 and 8. Infants younger than age 1 seldom get this disease because of the passive immunity received from maternal antibodies. Peak incidence occurs during late winter and early spring.
Source: Professional Guide to Diseases (Eighth Edition), 2005
Source: The 5-Minute Pediatric Consult, 2008
The term 'prevalence' of Mumps usually refers to the estimated population
of people who are managing Mumps at any given time.
The term 'incidence' of Mumps refers to the annual diagnosis rate,
or the number of new cases of Mumps 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.
Footnotes:
1. Notifiable Diseases Online, PPHB, Canada, 2000
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