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VARICELLA VACCINE

ANCHOR LEAD:   ONE DOSE OF CHICKEN POX VACCINE IS NOT ENOUGH, ELIZABETH TRACEY REPORTS

A single dose of the vaccine against chicken pox is not enough for sustained immunity to the disease, a recent study reports.  When the vaccine was first developed one dose was t recommended, but now a second dose is needed.  Maria Trent, a pediatrician at Johns Hopkins, says this study proves the system is working.    

TRENT:  That’s what the Centers for Disease Control and Prevention does for us.  They conduct surveillance to see whether or not there’s waning immunity to vaccines.  Some of the other vaccines, the newer vaccines that have also come out, they’re following those as well.  That’s the good thing about our system is that we are able to now say there are a significant number of people who don’t have continued immunity.  The CDC did a study where they looked at 10 years worth of data, and they looked at people who had the vaccine and whether or not they had an active varicella infection and based on that data is really what the recommendation comes from.                :29

Complications of chicken pox in older children and adults can be serious, so getting a booster promptly is important.  I’m Elizabeth Tracey reporting.    

 


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