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GuideWisdom™

This WisdomCard managed by: Tara Salamone

The varicella vaccine protects against the disease commonly known as chickenpox. Chickenpox is most often a mild disease, especially for children. Prior to the introduction of vaccine in 1995 in the US (released in 1988 in Japan & Korea), there were around 4,000,000 cases per year in the U.S., mostly children, with typically 100 or fewer deaths. Though mostly children caught it, the majority of deaths (by as much as 80%) were among adults. Additionally, chickenpox involved the hospitalization of about 10,000 people each year. ...read more from Wikipedia

Fast Facts:

• --When someone gets chickenpox after the vaccine this is called breakthrough disease.¹
• --The effectiveness of the vaccine drops from 99% to 84% after the first year.²
• --A breakthrough infection is generally very mild.³

Top Resources on Chickenpox After Vaccine

• eMedTV: Chickenpox After Vaccine
• ScienceDaily: Chicken Pox Vaccine Effectiveness Decreases After First Year, But Still Yields Excellent Protection From The Virus (Feb. 18, 2004)
• DoItYourself: A Mild Case Of Chickenpox May Occur After Vaccination
• Wikipedia: Varicella Vaccine Duration of Immunity
• Children's Hospital of Philadelphia: A Look at Each Vaccine: Varicella (Chickenpox) Vaccine

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GuideWisdom and Fast Facts References

1. ↑ DoItYourself: A Mild Case Of Chickenpox May Occur After Vaccination
2. ↑ ScienceDaily: Chicken Pox Vaccine Effectiveness Decreases After First Year, But Still Yields Excellent Protection From The Virus
3. ↑ eMedTV: Chickenpox After Vaccine

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