Original Pfizer COVID vaccine 33% effective against emergency, urgent care in young kids--study

Study: Original Pfizer COVID vaccine 33% effective against emergency, urgent care in young kids US Air National Guard, Sarah M. McClanahan / Flickr cc CIDRAP

A new study in JAMA estimates that the original single-strain Pfizer/BioNTech COVID-19 vaccine conferred 33% protection against COVID-19 emergency department (ED) and urgent care (UC) visits for children younger than 5 years during Omicron variant predominance.

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