Herd immunity means that more people are immune to a contagious disease than the amount that can be infected. Here's how it ...

Covid-19 was never just another cold. We knew it was going to stick around and keep changing to try to get the upper hand on our immune systems. But we’ve changed, too. Our B cells and T cells, ...

EVANSTON, IL — Is it possible you were infected with a mild form of COVID-19 and didn’t know it? How robust is your body’s immune response to the vaccine, and how will we know whether we’ve reached ...

The test David took was developed by John Tsang at Yale University and his colleagues. The team wanted to work out a way of ...

As mask mandates are lifted and restrictions removed in a step toward normalcy, a test to measure immunity would be a powerful tool to measure individual risk."The biggest reason I wanted to get my ...

"We feel this pressure because we want to help people." Antibody tests, which reveal whether someone has been infected with the novel coronavirus, have been touted as key to reopening the economy and ...

A new blood test can predict how long vaccine immunity will last. The revolutionary breakthrough will help to create more effective jabs, say scientists. They explained that when children receive ...

University of Birmingham experts are developing a non-invasive saliva test that - within 15 minutes - might identify children across the Global South missing immunity to tetanus who may also have ...