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The social lives of viruses | Asher Leeks | TEDxNewEngland
TEDx Talks· 2025-10-07 17:01
Core Argument - The traditional view of viruses as solitary particles is incomplete; viruses exist within communities and exhibit social behaviors [2][3] - Understanding viral sociality, including cooperation and cheating, is crucial for predicting and potentially manipulating viral behavior, especially in the context of pandemics [9][32] - Game theory and evolutionary biology provide tools to model and understand viral interactions, offering insights into viral evolution and potential antiviral strategies [18][19] Viral Sociality - Viruses form communities both as particles and within infected cells, engaging in social interactions at the molecular level [11][12] - Viral communities exhibit cooperation, where viruses work together to enhance reproduction, and cheating, where viruses exploit the resources of others without contributing [13][15] - The balance between cooperation and cheating in viral communities is a constant evolutionary tension, influencing viral dynamics and potentially leading to extinction or new forms of viral existence [17][27] Implications for Pandemic Response - Understanding the rules of viral sociality could lead to new antiviral strategies that target viral cooperation, potentially preventing or mitigating future pandemics [31][32] - The tragedy of the commons, where individual cheating undermines the collective good, applies to viral communities and can be exploited for antiviral interventions [23][31] - By manipulating viral social behavior, it may be possible to force viruses to give up their social lives, thereby controlling or eliminating infections [33] Viral Diversity and Evolution - Viruses are incredibly diverse and evolve in complex ways that are not fully understood, posing a significant challenge to pandemic preparedness [5][6] - Studying viral social interactions can provide new evolutionary explanations for puzzling viral phenomena, such as the split genomes observed in approximately 20% of plant viruses [28][29] - Conflict within viral communities can be a creative force, driving the evolution of new viral strategies and forms [30]