Louse-borne relapsing fever is caused by the spirochete bacterium Borrelia recurrentis, which is transmitted by body lice ...

The complement system, a central component of innate immunity, exerts a dual influence on cerebral ischaemia, driving both acute tissue injury and later reparative processes. Following arterial ...

Allergic asthma is driven by a complex interplay between innate and adaptive immunity in which the complement system plays a central role. Activation of complement via the classical, lectin or ...

Arachnology and toxinology have increasingly illuminated the structural, biochemical and evolutionary diversity of venom ...

Share on Pinterest A study offers new clues on why long COVID persists in some individuals. krisanapong detraphiphat/Getty Images Despite the debilitating nature of long COVID, there is an absence of ...

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 ...