New research finds metformin may not treat long COVID symptoms despite early promise. Learn what studies reveal about long COVID treatment and prevention.

LOS ANGELES (KABC) -- Long before vaccines, the focus was on a handful of COVID-19 treatments that provided glimmers of hope. The first to emerge was convalescent plasma. It offered a way for ...

Vitamin D supplementation does not prevent COVID-19 or improve symptoms but it may help lower the risk of long COVID, a recent study suggests.

Scientists believe that cats may hold the key to developing a new treatment for Long Covid 🐈 Scientists at the University of California, Davis have been researching how cats can help patients with ...

Testing positive for COVID-19 is not exactly a positive experience. After all, wanting to go viral these days doesn’t tend to mean wanting to be infected by the severe acute respiratory syndrome ...

Correction: The description and transcript for this story have been updated to reflect that it's been more than two years since the World Health Organization ended its COVID-19 public health emergency ...

COVID rebound is when COVID-19 symptoms return soon after they go away or a person registers a positive COVID-19 test result after testing negative for several days. COVID rebound can happen in people ...

The mRNA COVID-19 vaccines might make some cancer treatments more effective. Lung cancer patients who received the vaccine within a few months of immunotherapy, which revs up the immune system, lived ...