Our Internal Immune Radar: How we Detect Sickness

Send us Fan Mail Read the article on Substack The most startling finding involved innate lymphoid cells (ILCs)—rapid-response immune sentinels that act like your body's first responders. When participants viewed infectious avatars, these cells showed activation patterns nearly identical to those triggered by actual flu vaccination. Some ILC subtypes decreased in the bloodstream while becoming more activated—a pattern suggesting they were migrating to tissues in preparation for potential infec...