Infectious Diseases
Two doses of HPV vaccine may be as protective as full course
Two doses of the human papillomavirus (HPV) vaccine Cervarix were as effective as the current standard three-dose regimen after four years of follow-up, according to researchers from the National Cancer Institute (NCI), part of the National Institutes of Health, and their colleagues.
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http://www.nih.gov/news/health/sep2011/nci-09.htm...
National Institutes of Health