Vaccines train the body's defenses to fight infections safely. Learn how vaccines work, how the immune system responds, and ...

A new study has found that while different flu vaccines create similar levels of antibodies, their ability to activate deeper ...

Vaccines boost the immune system's ability to fight off diseases. Vaccines undergo rigorous testing to ensure safety and effectiveness. Widespread vaccination contributes to herd immunity, protecting ...

New research comparing four different flu vaccines found that the ability of the vaccines to activate cells of the immune system that help to protect against infection varied greatly depending on the ...

Herd immunity occurs when enough people become immune to a disease, either through vaccination or previous infection. This can reduce the likelihood of it spreading and increase protection for ...

Allen Institute scientists are learning why vaccines can trigger a weaker response in older adults, around age 65, and what ...

AI-generated image of a cancer cell exploding. Researchers found that lung and skin cancer patients who got COVID-19 vaccines reported significantly increased survival periods. For patients with some ...

Cancer patients who got an mRNA COVID vaccine within a few months of their immunotherapy lived longer than those who did not, health records show.

US health secretary Robert F. Kennedy Jr. has announced he is canceling US $500 million (£374 million) of research into mRNA vaccines, citing unproven concerns about their safety and long-term effects ...