Our immune system works to fight infections immediately, but also maintain long-term immunity. Two waves of protection help neutralize and eliminate disease, including the innate and adaptive immune ...

The adaptive immune system of vertebrates represents a major evolutionary innovation that underpins the capacity for antigen-specific recognition, immunological memory and refined regulation of host ...

Sat, January 24, 2026 at 2:56 PM UTC The immune system is the body's natural defense network that helps to keep you healthy from things like bacteria, viruses, and parasites. It's a complex network of ...