viral

TWiV 42: Bats and ticks

Hosts: Vincent Racaniello, Dick Despommier, Alan Dove, and Delthia Ricks In episode #42 of the podcast “This Week in Virology”, Vincent, Dick, Alan, and Delthia Ricks discuss a new influenza virus-like particle vaccine, dog flu, ultrasensitive pen-sized virus detector, imported rabies in the US, Crimean-Congo hemorrhagic fever, and next season’s flu vaccines. [powerpress url=”http://traffic.libsyn.com/twiv/TWiV042.mp3″] Click the arrow …

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Virus neutralization by antibodies

The antibody response is crucial for preventing many viral infections and may also contribute to resolution of infection. When a vertebrate is infected with a virus, antibodies are produced against many epitopes on multiple virus proteins. A subset of these antibodies can block virus infection by a process that is called neutralization. Antibodies can neutralize viral infectivity …

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Adaptive immune defenses: Antibodies

With the looming prospect of mass immunization against influenza, it’s important to understand how vaccines work. To do this we must have a good understanding of adaptive immune defenses. Today we’ll begin a discussion of the humoral arm of the adaptive immune response – antibodies. Antibodies are large proteins produced by vertebrates that play important …

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Is the 2009 H1N1 influenza virus more dangerous than we think?

The results of experiments comparing the virulence in animals of the 2009 H1N1 influenza virus with seasonal strains have spawned the headline Study Suggests H1N1 Virus More Dangerous Than Suspected. In my view, the best experiment is now being done in humans: infection of millions with the pandemic virus. The results show that the virus …

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