Main | Friday, June 21, 2013

HPV Vaccine Cuts Infections By Half

Great early news about the HPV vaccine:
The prevalence of dangerous strains of the human papillomavirus — the most common sexually transmitted infection in the United States and a principal cause of cervical cancer — has dropped by half among teenage girls in recent years, a striking measure of success for a vaccine against the virus that was introduced only in 2006, federal health officials said on Wednesday. The magnitude of the decline in HPV infections surprised public health experts because only about a third of teenage girls in the United States have been vaccinated with the full course of three doses. By comparison, vaccination rates in countries like Denmark and Britain are above 80 percent. Even Rwanda, in East Africa, has reached 80 percent. Yet even with relatively low vaccination rates in the United States, infection with the viral strains that cause cancer dropped to 3.6 percent among girls ages 14 to 19 in 2010, from 7.2 percent in 2006, the officials said.
An HPV vaccine for boys was introduced in 2011.

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