“Dylai unrhyw un sy’n profi symptomau y coronafeirws, waeth ba mor ysgafn, hunan-ynysu a chadw oddi wrth y gweithle tan iddyn nhw gael prawf, i warchod eu cydweithwyr a’r cyhoedd yn ehangach.
“Anyone experiencing symptoms of coronavirus, however mild, should self-isolate and stay away from the workplace until they have had a test to protect their fellow workers and the wider public.