Studies analyzing vaccinated people in the real world show that COVID-19 vaccines are extremely effective, but experts are ...

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 ...

Breakthrough infections - when a person gets infected despite being vaccinated - have become a widely discussed topic, especially after the COVID-19 pandemic. While this may sound alarming, medical ...

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 ...

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 ...

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LA JOLLA, CA—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 ...