The reproduction ratio, R, is one of the most important numbers in epidemiology. Find out what it means in this very easy introduction.
At the beginning of an epidemic the number of infected people grows exponentially. But why does the number e appear in descriptions of this growth?
Mathematics plays a central role in understanding how infectious diseases spread. This collection of articles looks at some basic concepts in epidemiology to help you understand this fascinating and important field, and set you up for further study.