Early data indicate vaccines still protect against Omicron’s sister variant, BA.2
▻https://www.statnews.com/2022/01/28/early-data-indicate-vaccines-still-protect-against-omicrons-sister-variant
This week, the U.K. agency estimated that, for people at least two weeks out from their booster shot, #vaccine effectiveness against symptomatic disease was 63% against BA.1, versus 70% for BA.2. While that might suggest that BA.2 is less of a threat to vaccine protection than its Omicron sister, the full estimate ranges overlapped.