There have been declines in varicella incidence during the first five years of the two-dose vaccination program, according to a study published online Oct. 7 in Pediatrics.
(HealthDay)—There have been declines in varicella incidence during the first five years of the two-dose vaccination program, according to a study published online Oct. 7 in Pediatrics.
Stephanie R. Bialek, M.D., M.P.H., from the U.S. Centers for Disease Control and Prevention in Atlanta, and colleagues examined varicella incidence rates and disease characteristics in two varicella active surveillance areas—Antelope Valley (AV), Calif., and West Philadelphia—from 1995 to 2010 to assess the impact of the two-dose vaccination program.
The researchers found that the varicella incidence was 0.3 cases per 1,000 population in AV and 0.1 cases per 1,000 population in West Philadelphia in 2010, a decline of 76 and 67 percent, respectively, since 2006 and a 98 percent decline at both sites since 1995. Incidence declined for all age groups from 2006 to 2010, during which time 61.7 percent of case patients in both surveillance areas had been vaccinated with one dose of varicella vaccine and 7.5 percent had been vaccinated with two doses. From 2006 to 2010, varicella-related hospitalizations declined compared with 2002 to 2005 (>40 percent) and 1995 to 1998 (>85 percent). The number of outbreaks in AV also declined: 12 during 2007 to 2010 compared with 47 during 2003 to 2006 and 236 during 1995 to 1998 (P < 0.01).
"Varicella incidence, hospitalizations, and outbreaks in two active surveillance areas declined substantially during the first five years of the two-dose varicella vaccination program," the authors write.
Explore further: Varicella vaccine has long-term effectiveness against chicken pox
More information: Abstract
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There have been declines in varicella incidence during the first five years of the two-dose vaccination program, according to a study published online Oct. 7 in Pediatrics.
(HealthDay)—There have been declines in varicella incidence during the first five years of the two-dose vaccination program, according to a study published online Oct. 7 in Pediatrics.
Stephanie R. Bialek, M.D., M.P.H., from the U.S. Centers for Disease Control and Prevention in Atlanta, and colleagues examined varicella incidence rates and disease characteristics in two varicella active surveillance areas—Antelope Valley (AV), Calif., and West Philadelphia—from 1995 to 2010 to assess the impact of the two-dose vaccination program.
The researchers found that the varicella incidence was 0.3 cases per 1,000 population in AV and 0.1 cases per 1,000 population in West Philadelphia in 2010, a decline of 76 and 67 percent, respectively, since 2006 and a 98 percent decline at both sites since 1995. Incidence declined for all age groups from 2006 to 2010, during which time 61.7 percent of case patients in both surveillance areas had been vaccinated with one dose of varicella vaccine and 7.5 percent had been vaccinated with two doses. From 2006 to 2010, varicella-related hospitalizations declined compared with 2002 to 2005 (>40 percent) and 1995 to 1998 (>85 percent). The number of outbreaks in AV also declined: 12 during 2007 to 2010 compared with 47 during 2003 to 2006 and 236 during 1995 to 1998 (P < 0.01).
"Varicella incidence, hospitalizations, and outbreaks in two active surveillance areas declined substantially during the first five years of the two-dose varicella vaccination program," the authors write.
Explore further: Varicella vaccine has long-term effectiveness against chicken pox
More information: Abstract
Full Text (subscription or payment may be required)
Copyright © 2013 HealthDay. All rights reserved.
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Chickenpox cases fall 80% over decade: CDC
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(HealthDay) -- Chickenpox cases in the United States dropped almost 80 percent between 2000 and 2010 in 31 states following routine use of the varicella vaccine, the U.S. Centers for Disease Control and Prevention ...
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Two doses of the varicella, or chickenpox, vaccine provide excellent protection in children against this highly contagious and, in some cases, severe disease. To be published in the February 1 issue of The Journal of Infectious Di ...
Teen's death from chickenpox highlights need for vaccination, CDC reports
Apr 11, 2013
(HealthDay)—The death from chickenpox of an otherwise healthy 15-year-old Ohio girl should remind parents of the importance of vaccination against the disease, U.S. health officials reported Thursday.
Chicken pox vaccine reduces shingles risk in kids -- study of 172,000 kids used EHRs
Dec 04, 2009
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.
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© Medical Xpress 2011-2013, Phys.org network
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