Pfizer Vials Have Extra Doses Of Vaccine

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Pfizer Vials Have Extra Doses Of Vaccine
Officials say each vial could have as many as seven doses. Initially they were supposed to have just five.
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The FDA says there may be more doses of Pfizer's vaccine than they originally thought. 

Officials say each vial could have as many as seven doses. Initially they were supposed to have just five.

The agency says it's okay to use the extra vaccine for full doses but said not to mix multiple vials to create a full dose.