Ers dechrau 2020, mae’r Cyd-bwyllgor wedi bod yn ystyried tystiolaeth ynglŷn â newid yr amserlen brechu yn erbyn HPV o ddau ddos i un dos pan fydd ar gyfer y rheini sy’n iau na 15 oed. Ar ôl ystyried y dystiolaeth hon, mae’r Cyd-bwyllgor wedi cynghori y dylid gweithredu’r amserlenni canlynol ar gyfer y rhaglen HPV:
Since early 2020, the JCVI has been considering evidence to change the HPV vaccination schedule from two doses to one dose when commenced before 15 years of age. Following consideration of this evidence, the Committee has advised the following schedules for the HPV programme: