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1 dose of cancer-preventing HPV vaccine has same impact as 2: study - National | Globalnews.ca

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A single dose of HPV vaccine could prevent a similar number of cervical cancers, HPV infections and other HPV -related cancers as a two -dose program among men and women in Canada .

In July , NACI updated its recommendations for the HPV vaccine, strongly recommending one dose of the Gardasil-9 shot for Canadians aged nine to 20 years .

This is if vaccine protection remains high during ages of peak sexual activity, the study states.