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Chicke Pox Vaccine Boosters seem to be needed
2004-08-01 15:55:31
Chickenpox Vaccination May Not Prevent Infection
Fri Jul 30, 1:17 PM ET Add Health - Reuters to My Yahoo! NEW YORK (Reuters Health) - During an outbreak of chickenpox in Minnesota in the fall of 2002, more than half the children who became infected had been immunized with the varicella vaccine, according to a new report. Evidently, booster shots may be required to provide stronger protection against chickenpox. Dr. Brian R. Lee, at the Minnesota Department of Health in Minneapolis, and his colleagues investigated the outbreak that involved 55 children among 319 attending an elementary school in northern Minnesota. According to the team's report in the Journal of infectious Diseases, 29 of the affected children had been vaccinated, and 6 had apparently had chickenpox previously -- which usually prevents another infection. The primary case in the outbreak was a vaccinated 6-year-old boy. The investigators found that 25 percent of vaccinated children came down with chickenpox, as did 56 percent of unvaccinated students; among those with a history of varicella, the infection rate was 6 percent. Lee's group estimates that the effectiveness of the vaccine in warding off infection was 56 percent. However, immunized children did have fewer lesions, less fever, and fewer sick days than their non-immunized kids. The risk of catching chickenpox was more than two-fold higher for those vaccinated 4 or more years before the outbreak, compared with those vaccinated more recently -- so protection wanes over time. These findings underscore the importance of keeping any child with chickenpox out of school, regardless of their vaccination status, Lee's team states. They also highlight the importance of continuing "to maintain and improve the national level of vaccination against varicella zoster and to consider whether a booster dose will offer additional protection," the researchers conclude. SOURCE: Journal of infectious Diseases, August 1, 2004
2004-08-01 20:43:28
"M,a,r,k P,r,o,b,e,r,t-August 1, 2004" news:Tn8Pc.20495$cL2.9304803@news4.srv.hcvlny.cv.net... > Chickenpox Vaccination May Not Prevent Infection > I agree that a booster may be needed. I would like to point out that the kids who were vaccinated and got sick were a lot less sick than the kids who did not get vaccinated. They had far fewer lesions and other problems. So even though they got sick, the vaccine did the job of protecting against more severe diseasae. Jeff
2004-08-02 02:52:25
"Jeff" news:cek2mh$i47@library1.airnews.net... > > "M,a,r,k P,r,o,b,e,r,t-August 1, 2004" > news:Tn8Pc.20495$cL2.9304803@news4.srv.hcvlny.cv.net... > > Chickenpox Vaccination May Not Prevent Infection > > > ( Copyright article deleted ) > > I agree that a booster may be needed. > > I would like to point out that the kids who were vaccinated and got sick > were a lot less sick than the kids who did not get vaccinated. They had > fewer lesions and other problems. > > So even though they got sick, the vaccine did the job of protecting > more severe diseasae. > > Jeff > > pox and had no extraordinary problems.
2004-08-02 07:24:15
"sty" news:J%hPc.22682$iK.1703@newsread2.news.atl.earthlink.net... > > "Jeff" > news:cek2mh$i47@library1.airnews.net... > > > > "M,a,r,k P,r,o,b,e,r,t-August 1, 2004" > > news:Tn8Pc.20495$cL2.9304803@news4.srv.hcvlny.cv.net... > > > Chickenpox Vaccination May Not Prevent Infection > > > > > ( Copyright article deleted ) > > > > I agree that a booster may be needed. > > > > I would like to point out that the kids who were vaccinated and got sick > > were a lot less sick than the kids who did not get vaccinated. They had > far > > fewer lesions and other problems. > > > > So even though they got sick, the vaccine did the job of protecting > against > > more severe diseasae. > > > > Jeff > > > > > Ah well, guess I was just one of the millions of lucky ones who had > pox and had no extraordinary problems. Yeap. Not all people who get chickenpox are that lucky. Some die, like 50 people a year, including kids who were perfectly healthy before getting chicken pox. And thousands require hospitalizaton. So although the vast majority of people who get chicken pox recover without problems, chicken pox is sometimes a fatal disease. Jeff
2004-08-02 13:40:07
"sty" news:J%hPc.22682$iK.1703@newsread2.news.atl.earthlink.net... > > "Jeff" > news:cek2mh$i47@library1.airnews.net... > > > > "M,a,r,k P,r,o,b,e,r,t-August 1, 2004" > > news:Tn8Pc.20495$cL2.9304803@news4.srv.hcvlny.cv.net... > > > Chickenpox Vaccination May Not Prevent Infection > > > > > ( Copyright article deleted ) > > > > I agree that a booster may be needed. > > > > I would like to point out that the kids who were vaccinated and got sick > > were a lot less sick than the kids who did not get vaccinated. They had > far > > fewer lesions and other problems. > > > > So even though they got sick, the vaccine did the job of protecting > against > > more severe diseasae. > > > > Jeff > > > > > Ah well, guess I was just one of the millions of lucky ones who had > pox and had no extraordinary problems. Quite true. You were lucky.
2004-08-02 10:01:23
Notice they never give this vaccine to chickens? Ever wonder why?
"sty" news:J%hPc.22682$iK.1703@newsread2.news.atl.earthlink.net... > > "Jeff" > news:cek2mh$i47@library1.airnews.net... > > > > "M,a,r,k P,r,o,b,e,r,t-August 1, 2004" > > news:Tn8Pc.20495$cL2.9304803@news4.srv.hcvlny.cv.net... > > > Chickenpox Vaccination May Not Prevent Infection > > > > > ( Copyright article deleted ) > > > > I agree that a booster may be needed. > > > > I would like to point out that the kids who were vaccinated and got sick > > were a lot less sick than the kids who did not get vaccinated. They had > far > > fewer lesions and other problems. > > > > So even though they got sick, the vaccine did the job of protecting > against > > more severe diseasae. > > > > Jeff > > > > > Ah well, guess I was just one of the millions of lucky ones who had > pox and had no extraordinary problems. > >
2004-08-02 14:09:57
"Jeff" news:cel87t$o0q@library1.airnews.net... > > "sty" > news:J%hPc.22682$iK.1703@newsread2.news.atl.earthlink.net... > > > > "Jeff" > > news:cek2mh$i47@library1.airnews.net... > > > > > > "M,a,r,k P,r,o,b,e,r,t-August 1, 2004" > > > news:Tn8Pc.20495$cL2.9304803@news4.srv.hcvlny.cv.net... > > > > Chickenpox Vaccination May Not Prevent Infection > > > > > > > ( Copyright article deleted ) > > > > > > I agree that a booster may be needed. > > > > > > I would like to point out that the kids who were vaccinated and got > > > were a lot less sick than the kids who did not get vaccinated. They > > far > > > fewer lesions and other problems. > > > > > > So even though they got sick, the vaccine did the job of protecting > > against > > > more severe diseasae. > > > > > > Jeff > > > > > > > > Ah well, guess I was just one of the millions of lucky ones who had > chicken > > pox and had no extraordinary problems. > > Yeap. Not all people who get chickenpox are that lucky. Some die, like 50 > people a year, including kids who were perfectly healthy before getting > chicken pox. And thousands require hospitalizaton. So although the vast > majority of people who get chicken pox recover without problems, chicken > is sometimes a fatal disease. > > Jeff > > |
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