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Figure 1 | Virology Journal

Figure 1

From: Comparative analysis of apoptotic changes in peripheral immune organs and lungs following experimental infection of piglets with highly pathogenic and classical porcine reproductive and respiratory syndrome virus

Figure 1

TUNEL assay with tonsil tissues of piglets during infection. Shown are tonsil tissue sections from HuN4 strain-infected piglets at 3 DPI (A) and 10 DPI (B) and from CH-1a strain-infected piglets at 3 DPI (C) and 10 DPI (D), respectively. The arrows denote areas of TUNEL-positive cells. Cells undergoing apoptosis were mainly lymphocytes.

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