Add Yahoo as a preferred source to see more of our stories on Google. A dose of the measles vaccine at a health center in Lubbock, Texas, on Feb. 27. (Ronaldo Schemidt) More than 800 people in the U.S ...

The Covid-19 vaccines continue to offer strong protection against severe illness and hospitalization, according to research on more than 1 million people published Wednesday in The Lancet Infectious ...

A vial of the measles, mumps and rubella vaccine is on display at the Lubbock Health Department Wednesday, Feb. 26, 2025, in Lubbock, Texas. Mary Conlon / AP While the measles vaccine is highly ...

New research from scientists at La Jolla Institute for Immunology (LJI) suggests people who received COVID-19 vaccines and then experienced "breakthrough" infections are especially well armed against ...

Breakthrough infections (infections after vaccination) by new variants of SARS-CoV-2 are common, despite the extensive immunization programs against SARS-CoV-2. Recent research suggests that human ...

More than 800 people in the U.S. have had measles since the beginning of the year, according to NBC News data. The majority of cases are in West Texas, where an outbreak that shows no signs of abating ...

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 ...

Like millions of others, Kathleen Hipps thought she was safe from COVID-19 after she got two shots of the Moderna vaccine last spring. So she figured she just had a summer cold when she got the ...

Researchers discovered that people who experienced symptomatic breakthrough infections develop T cells that are better at recognizing and targeting SARS-CoV-2, including the Omicron and Delta variants ...