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How does Johnson & Johnson's COVID-19 vaccine compare to Moderna, Pfizer?
April 14 2021, 08:00
With Johnson & Johnson’s COVID-19 vaccine facing an FDA-recommended pause after several instances of severe blood clots were reported in recipients, those who had scheduled J&J shots could see a bumpy rescheduling process involving canceled or delayed appointments, or even find themselves lined up to receive alternatives if supply allows.