What Is the ‘Super Flu’ That Is Spreading in Europe and the United States?
The “super flu” behind outbreaks in the US and UK is a new variant of influenza A H3N2, subclade K. Existing vaccines appear to be insufficiently effective against the virus.
The “super flu” behind outbreaks in the US and UK is a new variant of influenza A H3N2, subclade K. Existing vaccines appear to be insufficiently effective against the virus.
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