New Covid-19 variant causing 'razor blade throat'? Know all about it

Covid-19 cases are once again increasing around the world. A new Covid variant NB.1.8.1, being called Nimbus, has raised concerns, especially in the US. This virus variant is a sub-variant of Omicron, but some of its unique symptoms are being widely talked about. According to reports, this new variant is leading to razor blade throat, …

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