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Friday, December 13, 2002Seven earlier studies found the vaccine protected at least 71 percent of the children who got shots from developing the disease and kept the disease minor in nearly all of those infected by the virus. But the latest study tracked by far the worst performance of a vaccine that has cut the number of U.S. chickenpox cases by 80 percent since it was introduced in 1995. The outbreak was at a day care center near Concord, N.H. A boy who had been vaccinated three years earlier came down with the virus Dec. 1, 2000. By Jan. 11, 2001, it had spread to 24 other children--including 17 who also had been vaccinated. It’s only one incident, in one community, in one daycare center, but it does make you wonder how well those vaccines will protect those kids when they become young adults - an age in which chickenpox infection is much more dangerous. (The original report is here.) posted by Sydney on 12/13/2002 06:40:00 AM 0 comments 0 Comments: |
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