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Destruction of ductal epithelial cells, parotid salivary gland, rat

Left: Marked destruction of the ductal epithelial cells of the parotid salivary gland of a rat 4 days after exposure to rat coronavirus (SDA virus), H&E stain. Right: Same area of the parotid salivary gland stained to demonstrate viral antigen confined to the ductal epithelial cells, fluorescent antibody stain.

Courtesy of Dr. Dean H. Percy.