Most of us now view COVID-19 as more of a nuisance than a danger, thanks to vaccines and past exposure to the virus—all of which have built up our immunity. But research suggests that multiple ...

Immunocompromised status remains a significant risk factor for in-hospital mortality in COVID-19, particularly among patients with pneumonia.

People who were diagnosed with severe COVID-19 infections from the first wave of the pandemic could face double the risk of heart attack and stroke, a new study has found. The study, published this ...

Nearly 1 million people with COVID-19 were studied against vaccinated and uninfected controls. Researchers found a 66% higher risk of asthma and 74% higher risk of chronic sinusitis after COVID-19.

Even a mild case of COVID-19 or the flu can impact the body long after the fever and cough fade, according to new Tulane University research that may help explain why some people struggle to feel ...

The number of people with COVID-19 in the U.S. is low but increasing, according to Centers for Disease Control and Prevention (CDC) data released Friday. COVID-19 is trending up in many mid-Atlantic, ...