A study in JAMA of 6.2 million patients by Kaiser Permanente and CDC researchers found no serious health effects linked to the 2 mRNA COVID-19 vaccines, findings also reported in the New England Journal of Medicine and CDC publications.
A study in JAMA of 6.2 million patients by Kaiser Permanente and CDC researchers found no serious health effects linked to the 2 mRNA COVID-19 vaccines, findings also reported in the New England Journal of Medicine and CDC publications.