An observational study of adverse drug reactions to COVID-19 vaccines reported to the New Mexico poison center hotline.

This observational study analyzing adverse drug reactions of the COVID-19 vaccine found that most complaints concerned systemic reactions. We found reaction differences among vaccine brands, between first and second doses for some effects, and selected recurrent events. Poison control centers are uniquely positioned to conduct post-marketing surveillance for the new vaccines as they are available 24/7 to the public and are healthcare providers. Further post-marketing studies are essential to provide a holistic safety profile of COVID-19 vaccines.