The American Heart Association (AHA) released new guidelines for CPR that are specific to adult, pediatric, and neonatal resuscitation. The guidelines include 491 recommendations, with important updates on what to do in opioid-related emergencies and new standards for CPR in children, among others.

U.S. scientists are considering alternative strategies to achieve widespread COVID-19 vaccination with limited supplies, as initial efforts have left far fewer Americans protected at this point than anticipated.

A highly contagious coronavirus variant first identified in Britain has been detected in Colorado, according to Gov. Jared Polis. The first U.S. case of the variant was found in a man in his 20s with no travel history, Polis said. That individual is in isolation in Elbert County, located southeast of Denver.

Novavax announced Monday it is beginning to enroll volunteers for a Phase III clinical trial of its experimental COVID-19 vaccine in the United States and Mexico. The randomized, placebo-controlled study will include up to 30,000 participants at about 115 sites in the two countries.

Novavax announced Monday it is beginning to enroll volunteers for a Phase III clinical trial of its experimental COVID-19 vaccine in the United States and Mexico. The randomized, placebo-controlled study will include up to 30,000 participants at about 115 sites in the two countries.