On the evolution of virulence and the relationship between various measures of mortality
Open Access
- 7 July 2002
- journal article
- Published by The Royal Society in Proceedings Of The Royal Society B-Biological Sciences
- Vol. 269 (1498) , 1317-1323
- https://doi.org/10.1098/rspb.2002.2021
Abstract
Smallpox causes roughly 20% mortality whereas chickenpox causes less than 0.1%. Most ‘verbal’ (i.e. non–mathematical) discussions using a mortality definition of virulence would therefore label smallpox as more virulent. Indeed, the virulence of many diseases is measured using such case mortalities,Keywords
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