Whether antibodies provide lasting immunity, however, is not always clear. For example, "in relation to COVID-19, if an individual has had a COVID-19 infection, they will potentially have ...

With a coronavirus vaccine now being administered in Arkansas, health officials say it’s starting to stimulate immunity against the disease. The first round of Moderna and Pfizer vaccines ...

Acquired immunity may be active or passive. Active immunity comes from actual exposure to an organism (natural immunity) or through obtaining the appropriate vaccine (artificially induced immunity).

A new study provides evidence that babies born to mothers who were COVID-19 positive two or more months before delivery are protected by maternal antibodies, besides mounting a robust immune ...

Vinetz explains that a good example of herd immunity is the measles. "The idea is that if we have herd immunity, it means that we reduce the transmission of a disease within a population," Vinetz ...

THE ease and efficiency of establishing active immunity against tetanus is universally acknowledged. In groups fifty years of age and over, especially in females, greater efforts must be made by al ...

When people talk about COVID-19 vaccines, they can sound like they're speaking a foreign language. Don't worry! Here's your guide to vaccine vocabulary.

Microbial infections are recognized by the innate immune system both to elicit immediate defense and to generate long-lasting adaptive immunity. To detect and respond to vastly different groups of ...