TABLE 1.
O:K serotype | Pandemic genotypea | No. of strains isolated in:
|
||
---|---|---|---|---|
1998 | 1999 | 2000 | ||
O1:K25 | GS+ ORF8+ | 1 | 2 | |
O1:K38 | GS− ORF8− | 1 | ||
O1:K56 | GS− ORF8− | 4 | ||
O1:KUT | GS+ ORF8+ | 2 | 2 | |
O1:KUT | GS− ORF8− | 2 | ||
O2:K3 | GS− ORF8− | 1 | ||
O3:K6 | GS+ ORF8+ | 1 | 17 | 2 |
O3:K6 | GS+ ORF8− | 3 | 1 | 4 |
O3:K29 | GS− ORF8− | 1 | ||
O4:K10 | GS− ORF8− | 1 | ||
O4:K11 | GS− ORF8− | 1 | ||
O4:K22 | GS− ORF8− | 1 | ||
O4:K68 | GS+ ORF8+ | 11 | 1 | |
O4:K68 | GS+ ORF8− | 1 | ||
O4:K55 | GS− ORF8− | 1 | ||
O5:KUT | GS− ORF8− | 2 | 2 | |
O8:K22 | GS− ORF8− | 1 | ||
Total | 23 | 23 | 20 |
Abbreviations: GS+, GS-PCR positive; GS−, GS-PCR negative; OR8+, ORF8 PCR positive; ORF8−, ORF8 PCR negative.