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. 2014 Mar 26;9(3):e93463. doi: 10.1371/journal.pone.0093463

Table 2. Fold change of Vero cytotoxicity after incubation in a buffer of pH(PBS) for 1 h at 37 C or 60 C.

Stx type 37°C 60°C
Stx1a 1.0a 0.79a
211 0.88a 0.46a
Stx2a 0.94b 0.62b
122 0.74b 0.48b
a,b

The reduction in activity of the chimeric was significant at both temperatures (P<0.05).