Influenza A viruses typically cause severe respiratory disease mainly in the very young or the elderly. The 2009 swine-origin H1N1 virus is unusual because it preferentially infects individuals under 35 years of age. We've previously noted that being older is a good defense against 2009 H1N1 influenza virus, in part because ...

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Hosts: Vincent Racaniello, Alan Dove, and Rich Condit Vincent, Alan, and Rich review recent outbreaks of mumps in the UK, US, and Israel, protection of mice against 2009 H1N1 influenza A virus by 1918-like and classical swine H1N1 vaccines, and a virus-like particle vaccine for chikungunya virus. This episode is ...

Download: .wmv (386 MB) | .mp4 (131 MB) There are some errors in this lecture - I'll correct them during the next session. Visit the virology W3310 home page for a complete list of course resources.

One of the most important procedures in virology is measuring the virus titer €“ the concentration of viruses in a sample. A widely used approach for determining the quantity of infectious virus is the plaque assay. In this technique, the spread of progeny viruses released by individually infected cells is ...