- Biden administration to buy 500 million Pfizer coronavirus vaccine doses to donate to the worldThe Washington Post
- Covid Live Updates: The Latest NewsThe New York Times
- Pfizer advances clinical trial of COVID vaccine on kids 5-11 l GMAGood Morning America
- A link between Covid-19 vaccination and a cardiac illness may be getting clearerCNN
- U.S. to buy 500 million Pfizer doses to share with the worldAxios
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