Table 1 PCR screening of oacB in serotype 7a isolates from various regions
Serotype 7a isolates obtained from | Number of strains screened | Number of oacBPCR positive strains | Number of Sf101 phage PCR positive strains | Location of oacB |
|---|---|---|---|---|
Bangladesh | 4 | 4 | 0 | Upstream of adrA |
Egypt | 9 | 1 | 1 | sbcB |
Sweden | 1 | 1 | 0 | Upstream of adrA |
UK | 31 | 1 | 0 | Upstream of adrA |
Vietnam | 14 | 0 | - | - |