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AstraZeneca vaccine faces more setbacks related to blood clots

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In another setback for the AstraZeneca vaccine, a European agency has found that it can cause a rare blood clot issue. The vaccine is not approved for use in the U.S. NBC’s Tom Costello reports for TODAY.

Appearing:Savannah Guthrie
Tags: health, news, Editor's picks, big news, coronavirus, Plan Your Vaccine, today
S2021 E01 minHighlightNews and InformationDaytime


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