KGO ABC World News Tonight With David Muir February 23, 2021 01:37:00
And are still battling symptoms so many months later, now called the long haulers, of course. there is also news tonight as we come on, the fda releasing new guidance that actually helps to aim vaccinemakers to work quickly, to update their vaccines if the variants prove to be a challenge to the durant vacci current vaccine makeup? >> reporter: that's right, david. the fda is going to follow the current framework it uses for the flu, allowing covid vaccinemakers to turn around their boosters much faster. david? >> that is encouraging news, as well. eva, thank you again tonight. and there was...
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