Viral Antigenic Shift/Antigenic Drift: JN.1
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Viral Antigenic Shift/Antigenic Drift: JN.1

This year’s cold and flu season is similar to every other: The latest strain is often different from the previous one. Usually‚ the difference is small‚ and that’s how vaccines work. They take last year’s virus and make this year’s vaccine. Influenza vaccines produced in a particular year are derived from certain proteins found in[Read More] The post Viral Antigenic Shift/Antigenic Drift: JN.1 first appeared on .