Mae cyfraddau brechu ar gyfer dos cyntaf ac ail ddos yn parhau’n isel mewn llawer o wledydd ar draws y byd. Ar 16 Mai 2022, dim ond 13% o bobl mewn gwledydd incwm isel a oedd wedi cael dau ddos o frechlyn Covid-19.
Vaccination rates for first and second doses remain low in many countries across the globe. As of 16 May 2022, only 13% of people in low-income countries have received two doses of a Covid-19 vaccine.