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Pfizer to supply 40M COVID-19 shots for poor countries
By Linda A. Johnson
China's coronavirus vaccine diplomacy takes an anti-vax turn
By Mary Hui
There isn’t pork in Covid-19 vaccines
By Abbas Panjwani
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CDC reports rare allergic reactions to Moderna's Covid-19 vaccine
By Helen Branswell
U.S. Vaccine Supply: What to Know
By Katie Thomas
Canada won't receive any Pfizer shots next week — here's what you need to know about the vaccination campaign
By John Paul Tasker
Is the Johnson & Johnson COVID-19 Vaccine Safe and Effective?
By Korin Miller & Jake Goldthorpe Smith
The four types of COVID-19 vaccine – a snapshot
By Rachel Mcarthur
Pfizer says its Covid vaccine trial for kids ages 12 to 15 is fully enrolled
By Nick Wells & Meg Tirrell