Since testing began up until the end of 3 January 2021 there have been 20,272 antibody tests for key workers or residents in education and 48,293 antibody tests for healthcare key workers.
Ar 1 Chwefror 2022, amcangyfrifir bod 32,555 o aelodau benywaidd o staff ysgolion wedi cael naill ai trydydd dos neu ddos atgyfnerthu cyntaf.