COVID-19 does not just affect the respiratory system, but also significantly alters the brain in people who have fully ...

The COVID-19 virus can persist in the blood and tissue of patients for more than a year after the acute phase of the illness has ended, according to new research from UC San Francisco that offers ...

Early in the beginning of the COVID-19 pandemic, scientists predicted the coronavirus would mutate slowly. They were wrong. Hundreds of thousands of viral mutations and multiple seasonal waves later, ...

SAN FRANCISCO (KRON) — Did you catch COVID-19 last year? The virus may still be in your body, two new studies found. The studies conducted by University of California San Francisco infectious disease ...

A doctor's viral remark linking Covid virus and vaccine spike protein to a rise in rare cancers has triggered concern. But ...

Scientists are uncovering a new possibility behind long COVID’s stubborn symptoms: hidden infections that awaken or emerge alongside SARS-CoV-2. Evidence is mounting that viruses like Epstein-Barr and ...

A new study from investigators at Beth Israel Deaconess Medical Center (BIDMC) sheds light on why some people never fully ...

For millions suffering from long COVID, their persistent breathlessness, brain fog and fatigue remain a maddening mystery, ...

The most common respiratory viruses that cause flu, colds, and RSV tend to cluster in the fall and winter months. Though that means months of elevated risk for sickness, "cold and flu season" is a ...

The virus that caused the COVID-19 pandemic is still circulating, but some Alaskans seeking to be vaccinated against the disease may have to wait for that service. State health officials continue to ...