Monday, October 27, 2008

Immunization against cancer


The cervical cancer vaccine is recommended for girls ages 11 to 12, although it may be used in girls as young as age 9. This allows a girl's immune system to be activated before she's likely to encounter HPV. Vaccinating at this age also allows for the highest antibody levels. The higher the antibody levels, the greater the protection. The vaccine is given as a series of three injections over a six-month period. The second dose is given two months after the first dose, followed four months later by the third dose. Experts at the Centers for Disease Control and Prevention (CDC) recommend a catch-up immunization for girls and women ages 13 to 26 who haven't been vaccinated or who haven't completed the full vaccine series. By vaccinating this catch-up group, as well as the younger girls, we'll see the positive effects of the cervical cancer vaccine that much sooner.
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