Why some experts say it may be time to re-normalize mask-wearing

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Jul 05, 2021 Why some experts say it may be time to re-normalize mask-wearing Even though the Covid-19 vaccines are highly effective against all known coronavirus variants, including the highly transmissible delta variant that is spreading rapidly, some communities and physicians are recommending mask-wearing even for the fully vaccinated to reduce the virus' chance of survival. Read More Get the NBC News Mobile App Follow NBC News Check out all of NBCNEWS Newsletters here. Update Preferences | Unsubscribe | Contact | Privacy Update Preferences Unsubscribe Contact Privacy