KGO ABC World News Tonight With David Muir March 27, 2022 00:41:00
The fall, possibly fueled by the spread of ba.2, a subvariant of omicron. >> and this is why it's important if you're 50 and over to get that second booster as that additional protection as we potentially face a new variant. >> reporter: tonight both pfizer and moderna now asking the food and drug administration to authorize that second booster or a fourth covid shot. the highly contagious ba.2 subvariant already dominating cases in new york city, where mayor eric adams is taking heat over his tweak to the city's vaccine mandate, exempting entertainers and professional athletes, like nets star...
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