Virome

Viral-derived genetic material is described as biologically important for functions including placental proteins and memory-related processes. The article rejects the idea that viruses are universally bad. The virome is defined as the viral component of the body's microbial ecosystem. Virome testing is treated cautiously because detecting a viral sequence does not necessarily establish clinical meaning. The article distinguishes viral associations with autoimmune disease from simple causation. The article emphasizes that viruses can have beneficial, neutral, or harmful roles depending on context.