TABLE 2.
Strain | Results by indicated test
|
|||
---|---|---|---|---|
tox PCR | Elek | ICSa | Cytotoxicity (titer) | |
C. diphtheriae NCTC 10648 | Positive | Positive | +++ | 1:12,800 |
C. ulcerans A2911 | Positive | Positive | ++ | 1:160 |
C. ulcerans A6361 | Positive | Negative | + | Negative |
ICS, immunochromatographic strip; +++, strong visible band; ++, medium visible band; +, weak visible band.