COVID Symptom Study

'Covid Nails' Could Be A Sign You Had The Virus

Have you noticed the appearance of grooves in your nails since having coronavirus?
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First Shot Of Covid Vaccine Gives 67% Protection After Three Weeks, Says Epidemiologist

Professor Tim Spector also said cases had dropped by 80% since the start of January.
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'Covid Tongue' On The Rise, Warns Expert. What To Know About It

The professor leading the UK's Covid Symptom Study app is seeing "increasing numbers of Covid tongues and strange mouth ulcers".
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