Young infants hospitalized with respiratory syncytial virus (RSV) often become much sicker compared to those infected with SARS-CoV-2, the virus that causes COVID-19. In a study published today in ...

The study offers one of the most detailed maps yet of how human antibody responses vary from person to person.

Regulatory T cells (red) interact with other immune cells (blue) and modulate immune responses. National Institute of Allergy and Infectious Diseases/NIH via Flickr Every day, your immune system ...

The human body operates like a finely tuned orchestra, with each system playing its part in perfect harmony. However, sometimes this delicate balance breaks down in ways that can leave people ...

The same pathogen can often elicit very different responses from different people. Scientists sought to understand more about ...

Your immune system may be weak if you have frequent, severe, or extended infections. Learn more signs of a weak immune system.

Your immune system is like an incredibly sophisticated security team, constantly patrolling your body for threats and neutralizing them before they can cause harm. When it’s working properly, this ...