Nature - Bites from insects infected with modified malaria parasites boosted immunity and stopped people from contracting the disease.

Clonal recruitment is governed by a T cell receptor avidity threshold, whereas probabilistic expansion preserves repertoire polyclonality.

A humble kitchen spice could pack a powerful antiviral punch. Researchers have found that compounds in cardamom seeds can trigger the body’s virus-detecting systems, potentially paving the way for natural cold and flu treatments.

Thinking positive increased a specific brain region's activity and might have heightened immune response after a shot.