It has been estimated that approximately one hundred trillion bacteria colonize the human intestine. That's about ten times the number of cells that constitute the entire human body. These bacteria are believed to have a mutualistic symbiotic relationship with their hosts. What is known about the viral communities that inhabit ...

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Viruses can be transmitted to completely new host species that they have not previously infected. Usually host defenses stop the infection before any replication and adaptation can take place. On rare occasions, a novel population of viruses arises in the new host. These interspecies infections can sometimes be deduced by ...

Hosts: Vincent Racaniello and Alan Dove. On episode #79 of the podcast "This Week in Virology", Vincent and Alan converse about making published science accessible to everyone, global eradication of poliomyelitis, and whether a plant virus can cause disease in humans. This episode is sponsored by Data Robotics Inc. Use ...

Download: .wmv (330 MB) | .mp4 (72 MB) Visit the virology W3310 home page for a complete list of course resources.