Table 2.
Phenotype 1 | Number of Strains Tested | Lysis by StaphLyse™ | |||
---|---|---|---|---|---|
2 × 104 PFU/mL | 1 × 109 PFU/mL | ||||
n | % | n | % | ||
MSSA 2 | 89 | 76 | 84.4 | 89 | 100 |
MRSA | 396 | 376 | 94.9 | 396 | 100 |
VISA 3 | 2 | 1 | 50.0 | 2 | 100 |
Others | 222 | 204 | 91.9 | 222 | 100 |
Total | 709 | 657 | 92.7 | 709 | 100 |
1 MSSA, methicillin-susceptible S. aureus; MRSA, methicillin-resistant S. aureus; VISA, vancomycin-intermediate S. aureus; Others, isolates for which methicillin or vancomycin susceptibility was not determined. 2 StaphLyse™ was effective against S. aureus ATCC 29740, which was used in the mouse experiments. 3 VISA strains were also resistant to methicillin.