Warning over 'COVID tongue' symptoms as new variant causes concern.
"The term Covid tongue refers to any changes to the mouth or tongue caused by the virus. Zoe reports how “many” people noted that their tongue was white and patchy and “didn’t look normal” around the time they tested positive."
"It is not known exactly why Covid tongue occurs but infections, in general, can cause changes to the oral cavity. However, the symptom is resolve itself once the Covid infection has passed, which usually takes around two weeks."