WASHINGTON -- Vaccinating teen girls against human papillomavirus, the most common sexually transmitted infection, has helped lead to a 56 percent decline in cases among young women, a U.S. report found.

Among females 14 to 19, the prevalence of certain strains of HPV dropped to about 5 percent in 2007-10 from about 12 percent in 2003-06, according to an article yesterday in The Journal of Infectious Diseases. The shot is 82 percent effective against the virus that can cause cervical cancer if at least one of the three recommended doses is given.

The report suggests inoculation against HPV with vaccines such as Merck & Co.'s Gardasil, approved in 2006, may help achieve a goal of eliminating cervical cancer caused by the virus. The 56 percent drop was greater than expected as 34 percent of females ages 14 to 19 report having received at least one dose of the vaccines, the report said.

-- Bloomberg News

NewsdayTV's Doug Geed takes us "Out East," and shows us the Long Island Aquarium, a comfort food restaurant in Baiting Hollow, a Riverhead greenhouse and Albert Einstein's connections to the East End. Credit: Newsday Staff

'It's definitely a destination' NewsdayTV's Doug Geed takes us "Out East," and shows us the Long Island Aquarium, a comfort food restaurant in Baiting Hollow, a Riverhead greenhouse and Albert Einstein's connections to the East End.

NewsdayTV's Doug Geed takes us "Out East," and shows us the Long Island Aquarium, a comfort food restaurant in Baiting Hollow, a Riverhead greenhouse and Albert Einstein's connections to the East End. Credit: Newsday Staff

'It's definitely a destination' NewsdayTV's Doug Geed takes us "Out East," and shows us the Long Island Aquarium, a comfort food restaurant in Baiting Hollow, a Riverhead greenhouse and Albert Einstein's connections to the East End.

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