A new Omicron variant, BA.2.12.1, has taken over in Massachusetts. Here’s what you need to know. – The Boston Globe

May 19, 2022

https://www.bostonglobe.com/2022/05/13/metro/new-omicron-variant-ba2121-has-taken-over-massachusetts-heres-what-you-need-know/

This entry was posted on May 19, 2022 at 3:29 pm and is filed under Clip.

Tags: