However , binding to sialic acids is required for the enteropathogenicity of TGEV .
Interaction with sialoglycoconjugates may help the virus to pass through the sialic acid - rich mucus layer
However , binding to sialic acids is required for the enteropathogenicity of TGEV .
Interaction with sialoglycoconjugates may help the virus to pass through the sialic acid - rich mucus layer that covers the viral target cells in the epithelium of the small intestine .