Researchers used PET/MRI to detect otherwise invisible inflammation. Less clear is how this might influence patient care.

Some trials are focusing on drugs that target the immune system, which is affected by different pathways to long COVID ...

A new study finds that the Covid-19 virus can reprogram immune cells to weaken the body's defence. This discovery could lead ...

COVID-19 testing includes molecular (PCR), antigen (rapid), and antibody (serology) tests, each serving different ...

Excess deaths in the United States have continued to mount following the COVID-19 pandemic, leading to an early demise for ...

U.S. Health Secretary Robert F. Kennedy Jr. on Tuesday announced that COVID-19 vaccines are no longer recommended for healthy ...

The FDA is requiring COVID vaccine makers Pfizer and Moderna to update their warnings about the possible risk of myocarditis ...