AUGUST 13. NEW YORK – Since the introduction of vaccines having the capability of fighting chicken pox in United States, medical experts felt that this one-shot deal of giving one single injection when the child is one year old is enough to give them a lifelong immunity from the disease.
However, recently experts are learning that they were wrong. According to a report, experts have concluded that the protection received from a single immunization gradually fades over time making a child vulnerable to chicken pox, until and unless they are given a new booster shot.
A research was carried out on more than 11,000 people, who took the vaccine shot between 1195 and 2004. After examining the data and the effects of the first vaccine, experts found that nearly 9.5 percent, or 1,080, of those individuals experienced reoccurrence of chicken pox.
According to Dr. Robert Frenck Jr., who is a professor of pediatrics at Cincinnati Children’s Hospital, the breakthrough is mild and the children get fewer lesions perhaps around 20 to 55.
However, he added that if children are given a second booster shot between the ages of 4 to 6 years, they have the least possibility to have chicken pox again in future.
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