That’s why infectious disease experts are telling people to run, not walk, to get this season’s flu shot if they haven’t yet.

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 ...

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 ...

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 ...

Herd immunity occurs when enough people in a group are immune to a specific infection that it cannot spread easily from person to person. Vaccination programs have been successful in creating herd ...

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

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 ...

Dengue, a mosquito-borne viral disease that infects an estimated 100 million people globally each year, is notorious for its unpredictable severity. Some people experience little more than a fever and ...

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

Even without a perfect match, public health experts say the flu vaccine offers important protection against serious ...

As flu cases are surging across the United States, here's what to know about whether or not you can still get the vaccine.