epidemiology
The travels of bank notes give important clues to epidemiologists


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

To study a system, mathematicians begin by identifying its most crucial elements, and try to describe them in simple mathematical terms. As Phil Wilson tells us, this simplification is the essence of mathematical modelling.

Over the past one hundred years, mathematics has been used to understand and predict the spread of diseases, relating important publichealth questions to basic infection parameters. Matthew Keeling describes some of the mathematical developments that have improved our understanding and predictive ability.

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