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"Razor blade throat" is a symptom of new COVID variant, doctors say
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Coronavirus update: Wednesday, 18 March | ITV News
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Covid warning issued as new variant causes different symptoms including an unusual sign
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New COVID-19 strain spreading across U.S.
Razor blade throat symptom of new COVID variant
New COVID Variant XEC: What You Need to Know!
FDA intends to put its most serious warning on Covid vaccines, sources say