Table 4.9-C 
Assessment of Nasal Epithelium, Bronchial Epithelium, and Inflammatory Cells on the 
Respiratory Epithelial Surface of Individuals with Cystic Fibrosis for the Presence of 
Respiratory Viruses 
(Number 
of + 
samples/number of samples 
evaluated) 
Study eroup 
Site 
CMV 
vzv 
HSV 
INF A, B 
PARA 1.2.3 
RSV , ADENO, 
PARA 1.2.3 
Cystic fibrosis 
Nasal 
0/21 
0/21 
0/21 
0/20 
0/20 
Bronchial 
0/31 
0/30 
1/30 
0/29 
0/29 
Lavage 
0/29 
0/26 
2/29 
0/26 
0/26 
Normal 
Nasal 
0/22 
0/22 
0/22 
0/21 
0/21 
Bronchial 
0/22 
0/22 
0/22 
0/20 
0/20 
Lavage 
0/22 
0/22 
0/22 
0/20 
0/20 
al- antitrypsin 
Nasal 
0/6 
0/6 
0/6 
0/6 
0/6 
Bronchial 
0/7 
0/7 
0/7 
0/7 
0/7 
Lavage 
0/10 
0/10 
0/10 
0/10 
0/10 
Cigarette smokers 
Nasal 
0/3 
0/3 
0/3 
0/3 
0/3 
Bronchial 
0/3 
0/3 
0/3 
0/3 
0/3 
Lavage 
0/3 
0/3 
0/3 
0/3 
0/3 
Recombinant DNA Research, Volume 16 
