Yale researchers have found clues as to why certain people experience adverse health effects after the COVID-19 vaccine, ...

You may want to keep tests and masks handy.

Older adults face the highest risk of severe COVID-19 illness. Learn how to protect yourself or loved ones with vaccines, masking, hygiene, and caregiver support. Stay informed and stay safe. While ...

Get the latest health news from Newsday, including COVID-19, health care costs, hospitals, cancer, vaccines, fitness and ...

Flu and COVID-19 cases are spreading, and CHI doctors are sharing tips to help you stay healthy this fall. Doctors say vaccines are key to preventing severe illness. For mild symptoms, take medicine, ...

SAN FRANCISCO (KGO) -- As of Wednesday afternoon, the novel coronavirus has infected more than 81,000 people in at least 42 countries, including the US. There is no treatment or vaccine. "The citizens ...

HOUSTON, Texas -- With COVID-19 cases in the U.S. surpassing 250,000 by early April, health officials are still recommending basic hygiene tips to limit the spread of the virus. Experts say one of the ...

A new study suggests COVID-19 vaccination may significantly reduce the risk of major cardiovascular events such as heart attacks and strokes in older adults.

With holiday gatherings in the rearview mirror and cold weather here to stay for quite a bit longer, many Illinois residents are finding themselves sick with respiratory illnesses as cases rise across ...