New research shows that preventable deaths are increasing in the US at the same time that life expectancy keeps dropping.

Donated kidneys from deceased COVID-19 patients are safe to transplant and don't transmit the virus, research shows.

Women who gave birth during the COVID pandemic filled significantly more opioid prescriptions, and at higher strength, for postpartum pain.

With the emergency phase of the COVID-19 pandemic in the rearview mirror, at least for now, we look back on a handful of stories that provided sharp insights at key moments in the pandemic.

The protection offered by COVID-19 vaccination declines more rapidly in people with severe obesity than in those with normal weight, scientists at the

The emergency status allowed the federal government to cut through a mountain of red tape, with the goal of responding to the pandemic more efficiently.

The method could enable a rapid test to determine whether individuals are producing antibodies that help protect against Covid-19.

Quaternary ammonium compounds, also known as QACs or quats, are commonly used antimicrobials also found in many household products. Soap and water may be a safer bet when cleaning surfaces.

"We need a better vaccine, one that provides years of robust protection with fewer booster shots against a variety of SARS-CoV-2 strains."