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Scientists Say They Found Cause of Rare Blood Clotting Linked to AstraZeneca Vaccine
By Bojan Pancevski
Oxford-AstraZeneca Covid-19 vaccine is 'safe and effective,' European Medicines Agency rules
By Yuliya Talmazan
US to send 4m AstraZeneca vaccine doses to Mexico and Canada
By Leyland Cecco & David Agren
U.S. to Send Millions of Vaccine Doses to Mexico and Canada (Published 2021)
By Zolan Kanno-Youngs, Jim Tankersley & Natalie Kitroeff