Mae llawer o frechlynnau posibl ar gyfer COVID-19 yn cael eu hastudio a’u profi i weld a ydyn nhw’n effeithiol ac yn ddiogel. Mae’r broses hon wedi cael ei chyflymu drwy sicrhau bod cyllid ar gael yn brydlon a thrwy leihau gwaith papur.
Many potential vaccines for COVID-19 are being studied and tested. A vaccine will reach the public only when it is proven to work and be safe.This process has been sped up by prompt funding and a reduction in paperwork.