The Covid-19 figures for England are produced by the UK Health Security Agency (see here).
Their latest data is available as a downloadable pdf here.
Page 43 contains data on Covid-19 cases in England by vaccination status from 3rd Jan 22 to 30th Jan 22 and reveals that the majority of cases in January were among the triple vaccinated.
The following chart shows the Covid-19 case-rates per 100,000 by vaccination status for each age group over the age of 18 in England, plus the average case rate per 100,000 for all adults in England.
