10.1371/journal.pone.0009349.g001 Otfried Kistner Otfried Kistner Brian A. Crowe Brian A. Crowe Walter Wodal Walter Wodal Astrid Kerschbaum Astrid Kerschbaum Helga Savidis-Dacho Helga Savidis-Dacho Nicolas Sabarth Nicolas Sabarth Falko G. Falkner Falko G. Falkner Ines Mayerhofer Ines Mayerhofer Wolfgang Mundt Wolfgang Mundt Manfred Reiter Manfred Reiter Leopold Grillberger Leopold Grillberger Christa Tauer Christa Tauer Michael Graninger Michael Graninger Alois Sachslehner Alois Sachslehner Michael Schwendinger Michael Schwendinger Peter Brühl Peter Brühl Thomas R. Kreil Thomas R. Kreil Hartmut J. Ehrlich Hartmut J. Ehrlich P. Noel Barrett P. Noel Barrett Protection of mice from lung viremia. Public Library of Science 2013 mice 2013-02-21 02:32:02 Figure https://plos.figshare.com/articles/figure/_Protection_of_mice_from_lung_viremia_/532104 <p>Groups of CD1 mice were immunized twice with five-fold serial dilutions of pandemic H1N1 (H1N1 A/California/7/2009) whole virus vaccine, before being challenged intranasally with 10<sup>5</sup> TCID<sub>50</sub>. Lungs were harvested at day three after challenge, and virus titers determined as described (<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0009349#s2" target="_blank">Methods</a>). Lack of detection of virus in lungs was considered indicative of protection.</p>