The data, which suggest that one shot helps prevent cancer, came from a clinical trial run by the National Cancer Institute. Also in vaccine news: a tuberculosis vaccine trial; vaccine policy at the ...

One dose of a human papillomavirus (HPV) vaccine was noninferior to two doses in preventing infection, data from a randomized ...

A new study seems to confirm that a single dose of the vaccine used to prevent HPV infection is just as effective as two — ...