Last I read, Moderna was also claiming as early as March 2022 (but possibly Q2) for their Omicron-specific booster[1]. Has there been other announcements pushin

Last I read, Moderna was also claiming as early as March 2022 (but possibly Q2) for their Omicron-specific booster[1]. Has there been other announcements pushing that back to the fall? [1]https://www.reuters.com/business/healthcare-pharmaceuticals/moderna-exec-says-company-could-have-omicron-booster-ready-march-2021-12-01/ https://www.reuters.com/business/healthcare-pharmaceuticals/...