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. 2014 Mar 27;9(3):e92987. doi: 10.1371/journal.pone.0092987

Figure 6. Dynamic changes in neutrophil infiltration in the lung tissues of mice after H7N9 virus challenge.

Figure 6

The experimental setup was the same as that described in Figure 2. (A–H) Immunohistochemical staining of neutrophils in the lungs of BALB/c and C57BL/6 mice on days 1, 3, 5, and 7 postviral infection. The red arrows indicate infiltrating neutrophils. (I) Semiquantitative assessments of neutrophil infiltration in the lungs on days 1 and 3 postviral infection (n = 6). The data are expressed as the mean ± SD (bar). * and *** indicate P<0.05 and 0.001, respectively.