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 ...

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 ...

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'' ...

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