JAMA Internal Medicine

COVID-19-Associated Hospitalizations Among Vaccinated and Unvaccinated Adults 18 Years or Older in 13 US States, January 2021 to April 2022

Importance  Understanding risk factors for hospitalization in vaccinated persons and the association of COVID-19 vaccines with hospitalization rates is critical for public health efforts to control COVID-19. Objective  To determine characteristics of COVID-19–associated hospitalizations among vaccinated persons and comparative hospitalization rates in…

Spiked Helmet Sign in the Inferior Leads

This case report describes a patient in their 80s who was admitted to the critical care unit with pulseless electrical activity cardiac arrest.