COVID-19 shots might be tweaked if variants get worse
COVID-19 vaccines wait to be administered during a clinic at the Flathead County Fairgrounds on Thursday, Jan. 21. (Casey Kreider/Daily Inter Lake)
The makers of COVID-19 vaccines are figuring out how to tweak their recipes against worrisome virus mutations — and regulators are looking to flu as a blueprint if and when the shots need an update....
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