Why This Is Big News

Understanding these "secret weapons" is a huge deal. The more we learn about how our body's natural defenses work, the better we can create medicines and vaccines that give our internal superheroes an extra boost.

So, next time you feel a little sniffle coming on, just remember: there is a whole army inside you working overtime to keep the party going!

Original article: https://medicalxpress.com/news/2026-05-body-defense-respiratory-viruses.html