Table 2 Molecular characterization C. difficile strains isolated from hamburger and its ingredients in processing plants

Raw meat

C

tcA ^- tcdB ⁺ cdtB ^-

IR21

17^th November

Raw meat

D

tcdA ⁺ tcdB ⁺ cdtB ^-

IR22

4^th September

Swab from grinder

D

tcdA ⁺ tcdB ⁺ cdtB ^-

IR22

4^th September

Hamburger after molding

D

tcdA ⁺ tcdB ⁺ cdtB ^-

IR22

4^th September

Hamburger after freezing

D

tcdA ⁺ tcdB ⁺ cdtB ^-

IR22

4^th September

Raw meat

D

tcdA ⁺ tcdB ⁺ cdtB ^-

IR23

17^th October

Swab from grinder

D

tcA ^- tcdB ⁺ cdtB ^-

IR24

17^th October

Hamburger after molding

D

tcdA ⁺ tcdB ⁺ cdtB ^-

IR22

26^th November

Hamburger after freezing

D

tcdA ⁺ tcdB ⁺ cdtB ^-

IR22

26^th November