By Denise Grady and Rebecca Robbins, NYT

Articles from the author

Should you be concerned about blood clot after vaccine?

No evidence so far of link between AstraZeneca jabs and cases of illness in Europe

A nursing home worker receives the AstraZeneca COVID-19 vaccine at a health care centre as South Korea starts a vaccination campaign against the coronavirus disease (COVID-19), in Seoul, South Korea February 26, 2021.

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