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. Author manuscript; available in PMC: 2014 Sep 1.
Published in final edited form as: Immunol Rev. 2013 Sep;255(1):82–94. doi: 10.1111/imr.12094

Fig. 3. Germinal center persistence after influenza infection.

Fig. 3

Shown are the mean frequencies ± SD (n = 4-6 mice/group) of germinal center B cells among all CD19+ B cells in the regional lymph nodes at indicated times following influenza A/Puerto Rico/8/34 infection of BALB/c mice. Note the long persistence of the germinal centers, despite viral clearance around day 7. The data were as reported previously (86).