Article
Viral expansion after transfer is a primary driver of influenza A virus transmission bottlenecks
2 Sept 2025
Abstract excerpt
For many viruses, narrow bottlenecks acting during transmission sharply reduce genetic diversity in a recipient host relative to the donor. Since genetic diversity represents adaptive potential, such losses of diversity are thought to limit the opportunity for viral populations to undergo antigenic change and other adaptive processes. Thus, a detailed picture of evolutionary dynamics during transmission is...
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