To most people on the planet, the Covid-19 pandemic is over. But for many scientists who have been tracking the largest global infectious disease event in the era of molecular biology, there is still ...

‘Tis the season in Colorado to be hip-deep in people in the hospital with COVID-19 — except not this year. In each of Colorado’s previous four years living with the virus, the state has seen COVID ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. The study covered in this summary was published on BioRxiv.org as a preprint and has not yet been ...

In a new JAMA study, researchers found that people who had healthy sleep patterns prior to a Covid infection — both before and after the Covid-19 pandemic began — may have a lower risk of suffering ...

In-depth analysis uncovers north-south oscillations in COVID-19 cases, revealing how regional waves shape the pandemic across the U.S. and providing key insights for future health interventions. Study ...

Doctors say they're finding it increasingly difficult to distinguish Covid from allergies or the common cold, even as hospitalizations tick up. The illness' past hallmarks, such as a dry cough or the ...