Table 1. Histopathological scores of RV-infected COPD mice maintained on control or quercetin diet.

Phenotype and Infection	Diet	Scorea
		Peribronchial and perivascular inflammation	Alevolar inflammation	emphysema
COPD mice- sham	Control	1	1	2
		2	1	1
		1	1	2
		1	1	2
		2	2	1
		3	1	2
COPD mice -RV	Control	3	2	3
		4	1	4
		2	2	2
		3	3	4
		3	2	3
		4	3	3
COPD mice—sham	Quercetin	2	1	2
		1	1	2
		0	2	1
		1	1	2
		0	0	1
		2	1	2
COPD mice—RV	Quercetin	2	1	1
		1	0	2
		1	1	2
		2	0	2
		1	1	1
		0	1	1

‘^a’ represent score for each mouse