The hidden sign of COVID on your tongue - do you have these bumps in your mouth?

COVID symptoms include a high fever, a new cough, and loss of smell and taste - all of which require the UK public to get a free coronavirus test. But you may also be at risk of COVID-19 if you develop a hidden sign on your tongue. Should you consider self-isolating?
Source: Daily Express - Health - Category: Consumer Health News Source Type: news
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