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Review
. 2018 Jan;16(1):47-60.
doi: 10.1038/nrmicro.2017.118. Epub 2017 Oct 30.

The evolution of seasonal influenza viruses

Velislava N Petrova  1 , Colin A Russell  2   3
Affiliations
Review

The evolution of seasonal influenza viruses

Velislava N Petrova et al. Nat Rev Microbiol. 2018 Jan.

Erratum in

Abstract

Despite decades of surveillance and pharmaceutical and non-pharmaceutical interventions, seasonal influenza viruses continue to cause epidemics around the world each year. The key process underlying these recurrent epidemics is the evolution of the viruses to escape the immunity that is induced by prior infection or vaccination. Although we are beginning to understand the processes that underlie the evolutionary dynamics of seasonal influenza viruses, the timing and nature of emergence of new virus strains remain mostly unpredictable. In this Review, we discuss recent advances in understanding the molecular determinants of influenza virus immune escape, sources of evolutionary selection pressure, population dynamics of influenza viruses and prospects for better influenza virus control.

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