TABLE 4.
Strains tested | No. of strains for which PCR was:
|
|
---|---|---|
Positive | Negative | |
PHDC (n = 243) | 243a | 0 |
All others (n = 170) | 26b | 144c |
Includes 212 isolates recovered from 212 CF patients and 31 isolates from soil.
All 26 are of the ET12 lineage.
Includes 2 ET12 isolates, 88 isolates belonging to the Midwest clone, and 54 isolates representing an additional 40 genotypes.