Evolution of virulence


Covid-19
https://news.harvard.edu/gazette/story/2021/08/with-delta-variant-dominant-covid-19-simulator-sees-surge-in-deaths/

Question for tutorial:

Why is COVID19 evolving higher virulence?

Additional, optional references:

Alizon, S., A. Hurford, N. Mideo, and M. Van Baalen. 2009. Virulence evolution and the trade-off hypothesis: history, current state of affairs and the future. Journal of Evolutionary Biology 22: 245-259.

Otto, S.P., T. Day, J. Arino, C. Colijn, J. Dushoff, M. Li, S. Mechai, G. Van Domselaar, J. Wu, D. J. Earn, and N. H. Ogden. 2021. The origins and potential future of SARS-CoV-2 variants of concern in the evolving COVID-19 pandemic. Current Biology 31: R918–R929.

 

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