Prevalence and Incidence of Hantavirus

Hantavirus:

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

Incidence (annual) of Hantavirus:

33 annual cases of Hantavirus pulmonary syndrome notified in USA 1999 (MMWR 1999)

Incidence Rate:

approx 1 in 8,242,424 or 0.00% or 32 people in USA [about data]

Incidence extrapolations for USA for Hantavirus:

32 per year, 2 per month, 0 per week, 0 per day, 0 per hour, 0 per minute, 0 per second.

Prevalence/Incidence of Hantavirus: 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 Hantavirus.

Infant respiratory distress syndrome: Causes and incidence
(Professional Guide to Diseases (Eighth Edition))

Although airways and alveoli of a neonate’s respiratory system are present by 27 weeks’ gestation, the intercostal muscles are weak and the alveolar capillary system is immature. The premature neonate with IRDS develops widespread alveolar collapse due to a lack of surfactant, a lipoprotein pres-ent in alveoli and respiratory bronchioles. Surfactant lowers surface tension and helps prevent alveolar collapse. This surfactant deficiency results in widespread atelectasis, which leads to inadequate alveolar ventilation with shunting of blood through collapsed areas of lung, causing hypoxemia and acidosis.

IRDS occurs almost exclusively in neonates born before 37 weeks’ gestation (in 60% of those born before the 28th week). The incidence is greatest in the 1,000 to 1,500 g birthweight group. Infants of diabetic mothers, those born by cesarean delivery, second-born twins, infants with perinatal asphyxia, and those delivered suddenly after antepartum hemorrhage are more commonly afflicted.

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About prevalence and incidence statistics:

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