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 ...

Find out how different vaccines for the coronavirus cause your body to create antibodies that fight the virus.

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 ...

Plenty of people – about 1 in 3, according to some studies — feel bad for a day or two after they get a flu shot. The most common symptoms include headaches, muscle aches, fatigue and fever, all of ...

While the new findings are encouraging, "vaccines won’t do any good if people don’t get them," one expert said.

An infectious disease specialist took the time to explain what herd immunity is, how it works and when it might affect the spread of COVID-19. Dr. Frank Esper works for the Cleveland Clinic Children's ...

Vaccines work by helping your body build protection against harmful viruses and bacteria. And while getting a shot may not be fun, vaccines are one of the best ways to keep you and your family safe ...

Sievers is a vaccine researcher and Ph.D. candidate at the University of Cambridge and the NIH Vaccine Research Center. I’m a vaccine researcher. And I’m terrified of needles. It’s not something I’m ...

Recent reviews indicate that hesitancy is increasing in pediatric settings, with more parents selectively delaying, spacing, ...