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Chicken pox vaccine cuts shingles risk in kids

Chicken pox vaccine may reduce risk of shingles among children, say scientists. Herpes zoster, also known as shingles, is very rare among children who have been vaccinated against chicken pox, according to a Kaiser Permanente study in the December issue of the Pediatric Infectious Diseases Journal. The study, the largest of its kind, used electronic health records to identify more than 170,000 children vaccinated with the varicella (chicken pox) vaccine from 2002 to 2008 in Kaiser Permanente's Southern California region, then followed children for an average of two and a half years to identify the occurrence of herpes zoster. Researchers found only 122 cases of herpes zoster among the 172,163 vaccinated children, for an estimated incidence of 1 case per 3,700 vaccinated children per year. This is a lower rate compared to what one would expect in the unvaccinated children based on previous experiences.

                                                                                                               
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