Long COVID has mystified the medical community for years, making it a tough condition to diagnose, let alone treat. However, a growing body of research has found more information on what may be behind ...

Innate immunity is a foundational field in immunology, critical for understanding how organisms sense and respond to danger, be it pathogens or sterile ...

The complement system, corresponding author Jane Salmon told BioWorld Today, is "a very primitive host defense system." But like most rapid response task forces, the complement system is not exactly a ...

A new study may have found what’s behind long COVID symptoms. Scientists say a portion of the immune system may stay activated after someone recovers from the virus. Research into what causes long ...