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2001 DEC 5 - (NewsRx.com & NewsRx.net) -- Recent changes in routine infant vaccination procedures that require a greater number of shots do not appear to reduce immunization rates in low-income communities, a new study reports.
This finding should help reassure policy makers and immunization providers who "were concerned that the multiple simultaneous injections could decrease immunization coverage levels" against polio, diphtheria, tetanus, whooping cough, hemophelia influenza type b and hepatitis B, according to lead author Maureen Kolasa, RN, MPH of the U.S. Centers for Disease Control and Prevention.
The additional injections reduce the risk of adverse reactions - most notably vaccine-associated paralytic polio - but increase the number of required injections at an infant's 2- and 4-month immunization visits to as many as four.
To assess the impact of the new recommendations, the authors followed infants at publicly funded health clinics serving racially diverse clients primarily with low socio-economic status in Philadelphia, Jacksonville and Milwaukee. Immunization rates were assessed at each clinic for one group of infants who got the previously preferred regimen of shots and for three successive groups getting a sequence of shots. Initial enrollment for each group ranged from 371 to 524, with 8-16% of each group lost to follow-up during the study period.
Results ...