LOS ANGELES (CNS) -- Saying the numbers highlight the safety and effectiveness of COVID-19 vaccines, Los Angeles County's public health director said the county has identified just 933 "breakthrough'' ...

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 ...

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 -- ...

Tis the season for sniffling, coughing and calling out of work. Here's what to know about the pathogens circulating in the U.S. this December.

LOS ANGELES -- Right now, millions of students are moving away from home into their dorms at colleges across the country. One incoming freshman at USC is detailing how he tested positive for COVID-19 ...