swine flu

Trivalent influenza vaccine for the 2010-2011 season

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The World Health Organization and the US Food & Drug Administration have decided on the composition of the influenza virus vaccine that will be used during the 2010-2011 season in the northern hemisphere. The trivalent preparation will contain the following influenza virus strains: A/California/7/2009 (H1N1); A/Perth/16/2009 (H3N2); and B/Brisbane/60/2008. The same trivalent vaccine is also being used to …

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Protection against 2009 influenza H1N1 by immunization with 1918-like and classical swine viruses

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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 older people have antibodies that …

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Radio Sandy Springs interview

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I was recently interviewed on Radio Sandy Springs by Sharon Sanders of FluTrackers. We talked about pandemic influenza H1N1 virus. Listen to the show below. [audio:https://www.virology.ws/InfectiousDiseaseJan042010.mp3 | titles=Infectious Disease Hour] Download Infectious Disease Hour January 4 2010 (20 MB .mp3, 57 minutes) Radio Sandy Springs 1620 AM is a low-powered Atlanta-based talk radio station that …

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TWiV 64: Ten virology stories of 2009

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Hosts: Vincent Racaniello, Alan Dove, and Rich Condit Vincent, Alan, and Rich discuss ten compelling virology stories of 2009. [powerpress url=”http://traffic.libsyn.com/twiv/TWiV064.mp3″] Click the arrow above to play, or right-click to download TWiV #64 (68 MB .mp3, 94 minutes) Subscribe to TWiV (free) in iTunes , at the Zune Marketplace, by the RSS feed, or by …

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Reinfection with 2009 influenza H1N1

21 Comments / Basic virology, Information / By

In healthy individuals, the first encounter with a virus leads to a primary antibody response. When an infection occurs with the same or a similar virus, a rapid antibody response occurs that is called the secondary antibody response. Antibodies are critical for preventing many viral infections, including influenza. But reinfection may occur if we encounter the same …

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