## medicine and health

Mathematicians lead effort to build common model of the immune system

**David Spiegelhalter**, Winton Professor for the Public Understanding of Risk, gives

*Plus*his take on uncertainty.

A new Bayesian network helps predict the severity of the disease

Take part in research from home, and help defeat malaria with Africa@home.

The travels of bank notes give important clues to epidemiologists

Researchers have used mathematical modelling to understand the evolution of the influenza virus.

**mathematical modelling**.