Table 4.9-B 
DETECTION OF Ela SEQUENCES IN FRESHLY ISOLATED RESPIRATORY EPITHELIUM 
Site 
Diagnosis 
Number of 
subj ects 
Ela 
Positive 
[number (2) ] 
Number of Ela 
copies per 1000 cells 
Respiratory 
Normal 
91 
19 (21%) 
55 ± 18** 
epithelium* 
CF 
43 
5 (12%) 
104 ± 22 
Blood Cells 
Neutrophils 
Normal 
17 
0 
CF 
5 
0 
Lymphocytes 
Normal 
16 
3 (19%) 
51 ± 8 
CF 
5 
0 
Monocytes 
Normal 
16 
0 
CF 
5 
0 
Nasal, pharyngeal, tracheal and bronchial epithelium. 
** Mean ± SEM. 
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Recombinant DNA Research, Volume 16 
