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. 2021 Feb 11;100(5):101039. doi: 10.1016/j.psj.2021.101039

Figure 4.

Figure 4

Inflammatory response against avian pathogenic Escherichia coli (APEC) in chicken respiratory tract. After inhalation of contaminated aerosol particles, APEC interacts with tracheal epithelial cells, where previous viral infection can facilitate APEC colonization.