Smaller vials could help stop vaccine waste. But they could cause another problem, experts warn.

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Sep 26, 2021 Smaller vials could help stop vaccine waste. But they could cause another problem, experts warn. The federal government is working to reduce the number of Covid-19 vaccine doses per vial, amid growing concerns about waste. But that could have far-reaching repercussions for the global vaccine supply. Read More Follow Us Get the NBC News Mobile App Check out all NBC News newsletters here. 30 Rockefeller Plaza New York, NY 10112 View in browser | Unsubscribe | Contact | Privacy