LAIV

TWiV 403: It’s not easy being vaccine

The TWiV team takes on an experimental plant-based poliovirus vaccine, contradictory findings on the efficacy of Flumist, waning protection conferred by Zostavax, and a new adjuvanted subunit zoster vaccine. You can find TWiV #403 at microbe.tv/twiv, or listen below. [powerpress url=”http://traffic.libsyn.com/twiv/TWiV403.mp3″] Click arrow to play Download TWiV 403 (70 MB .mp3, 96 min) Subscribe (free): iTunes, RSS, email Become a patron of TWiV!

Attenuated influenza vaccine enhances bacterial colonization of mice

Infection with influenza virus is known to increase susceptibility to bacterial infections of the respiratory tract. In a mouse model of influenza, increased bacterial colonization was also observed after administration of an infectious, attenuated influenza virus vaccine. Primary influenza virus infection increases colonization of the human upper and lower respiratory tract with bacteria, including Streptococcus …

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Effectiveness of this season’s influenza vaccine

The Centers for Disease Control and Prevention has released early estimates of the effectiveness of this season’s influenza vaccine in preventing influenza infection. Influenza vaccine effectiveness is assessed each year by the U.S. Influenza Vaccine Effectiveness Network. Patients with acute respiratory infection (ARI) are enrolled in the study; respiratory samples are taken and the presence …

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