Researchers are still trying to understand why some people develop Long COVID: lasting symptoms of the disease that can ...

In a large, randomized trial, researchers at Mass General Brigham found that high-dose vitamin D3 did not reduce COVID-19 ...

High-dose Vitamin D doesn't reduce acute COVID severity but shows a promising signal for reducing Long COVID and brain fog.

Vitamin D didn’t blunt COVID’s initial impact—but it may hold a surprising clue in the fight against long COVID.

Doctors say the virus is in its endemic phase. Here's what that means.

Patients hospitalized with severe COVID-19 have an increased risk of developing lung cancer months or years later, according to new research from the University of Virginia.

In a large, randomized trial, researchers at Mass General Brigham have found that high-dose vitamin D3 did not reduce COVID-19 infection severity, but may impact long COVID outcomes.

A group of experts that advises the US Centers for Disease Control and Prevention on its vaccine recommendations has suspended an anticipated push to stop recommending mRNA-based Covid-19 vaccines ...

John Gotti’s daughter Victoria is begging a Long Island judge to spare her fraudster son from prison time — because he’s ...

The airline will pay $105 million to hundreds of thousands of customers hit by the lack of access to refunds from flights cancelled at the height of the pandemic.

Troubling headlines have been cropping up across Asia: Patients who were diagnosed with COVID-19 and seemingly recovered have been readmitted to the hospital after testing positive for the virus again ...

Robert Sokolowski spent 32 years in public education, including as a classroom teacher, an administrator, and the superintendent of a suburban Pennsylvania school district. He now advises school ...