TABLE 2.

Variations in PFGE patterns of the 178 epidemiologically unrelated strains of H. influenzae in this study

Biotype	No. of strains	No. of different PFGE patterns
I	28	27
II	76	68
III	52	48
IV	4	4
V	5	5
VI	1	1
VII	11	11
VIII	1	1
Total	178	165