More than 99.99% of people fully vaccinated against Covid-19 have not had a breakthrough case resulting in hospitalization or death, according to the latest data from the US Centers for Disease ...

NEW YORK -- As Americans brace for the possibility of another difficult winter ahead in the nation's fight against coronavirus, there is a renewed sense of urgency to get as many people inoculated and ...

Between 2022 and 2024, covid-19 killed roughly 100,000 Americans annually, new research by CDC scientists shows.

NEW YORK (WABC) -- As the highly transmissible omicron and delta coronavirus variants continue to sweep across the United States, health officials warn that more people are expected to get infected -- ...

Pennsylvania’s health department is not keeping count of all breakthrough COVID-19 cases — those that occur among vaccinated residents. That means a lack of real-world data to demonstrate vaccine ...

Over 75% of Californians are now fully vaccinated, and over 58% have received their COVID booster shot. But widespread breakthrough infections in fully vaccinated people and the recent rise in COVID ...