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Former FDA commissioner Scott Gottlieb warned Wednesday that the latest CDC mask reversal could have a "negligible impact" on the spread of the Delta variant, telling CNBC that "we're not going to get enough bang for our buck" by instructing those who have already received the COVID-19 vaccine to continue to mask up indoors.

from FOX News https://www.foxnews.com/media/former-fda-commissioner-new-cdc-mask-guidance-will-have-negligible-impact-on-curbing-delta-variant