@roadriverrail @davidgarywood NPR has written an article about this: https://www.npr.org/sections/goatsandsoda/2022/12/30/1143696652/chinas-covid-vaccines-do-the-jabs-do-the-job
The #COVID vaccine in #China ?? is only slightly less effective. But a booster shot is still effective against most strains. I am wondering if a new strain has emerged‽