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Antes de la introducción de la vacuna, la tasa anual de hospitalización por varicela superaba los 0,5 ingresos por cada 10.000 habitantes. En 1999, la tasa había disminuido a 0,26 por 10.000 y en el año 2000 a sólo 0,13 por 10.000.
Si bien esa disminución afecta a personas de todas las edades, es más pronunciada entre los niños menores de 4 años.
Consecuentemente, los costes hospitalarios derivados de la varicela han descendido sustancialmente, pasando de los 161 millones de dólares en 1993 a tan sólo 66 millones en 2001.
Webs Relacionadas
University of Michigan
http://www.umich.edu/
Pediatrics
http://pediatrics.aappublications.org/