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QuickStats: Rate of Hospitalizations for Pertussis Among Infants Aged
<6 Months --- United States, 1994--1998 and 1999--2003
More than 90% of hospitalizations for pertussis among children aged <2 years occurred in
infants aged <6 months, a group too young either to receive vaccination or to have developed
adequate protection from vaccination. The pertussis hospitalization rate for infants aged <6
months increased by 20% from 1994--1998 to 1999--2003.
SOURCE: Sirkus L, Lukacs S, Branum A. NCHS data on pertussis hospitalizations in young
children. Hyattsville, MD: US Department of Health and Human Services, CDC, National Center for Health
Statistics. Health: E-Stats. In press 2005.
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