Table 1. Visual scoring of lectin staining of various cell types in tissue sections used in this study.

Lectins used	Cranial			Caudal			Lung Hilar
	Glycocalyx	Goblet Cells	Submucosal gland	Glycocalyx	Goblet Cells	Submucosal gland	Glycocalyx	Goblet Cells	Submucosal gland
SNA-I	++	+/−	++	++	−	++	+	+	++
MAL-II	−	−	++	−	+/−	++	−	−	−
Jacalin	+	++	++	++	++	++	−	++	++
SNA-I/Jacalin co-staining	−	+/−	++	−	+/−	++	−	+	++
A/Albany/6/58 (Alb58) HA	++	−	++	++	−	++	+	+	++
A/South Carolina/1/18 (SC18) HA	−	−	++	−	−	++	−	−	++
Alb58 HA/Jacalin co-staining	−	+	++	−	+	++	−	+	++

− No staining + Moderate staining +/− Only few cells stained (<10%) ++ Extensive staining.