An immunologist imagines the body’s defense system as a team of unique, quirky characters, showcasing their essential roles.

Our immune system is divided into two main branches: innate and adaptive. Innate immune cells act as a first line of defense, quickly responding to invaders, while adaptive immune cells take a longer ...

A new review by Dr. Ruyuan Wang and an international team of researchers explores the complex interactions between the innate and adaptive immune systems, shedding light on regulatory mechanisms in ...

Humans are protected by two branches of the immune system. Innate immunity provides built-in defense against widespread characteristics of bacteria and viruses, while adaptive immunity memorizes ...

Innate lymphoid cells, which curiously behave like T cells even though they don’t recognize specific antigens, show promise as a potential cancer therapeutic. In the years that followed, other groups ...

SARS-CoV-2 has an enzyme that can counteract a cell's innate defense mechanism against viruses, explaining why it is more infectious than the previous SARS and MERS-causing viruses. The discovery may ...

The immune-boosting power of a fever is surprisingly ancient. Cold-blooded creatures like fish typically move to warmer environments to help fight infections. In one fish species, Nile tilapia, that ...

The immune system’s primary responsibility is to recognize and target invading pathogens. Various immune cells are orchestrated to carry out this responsibility. Additionally, these cells are ...

Bacillus Calmette-Guérin (BCG) is one of the world’s oldest and most widely used vaccines. It was developed in the early 20th century to provide protection from tuberculosis. Surprisingly, this ...

Smoking does not do a body good. We’ve known this universally acknowledged truth for at least the past 60 years. Still, researchers are constantly finding new ways that it harms our health. In a study ...