TABLE 2.
Characteristics of PVL-positive S. aureus strains
| Isolate no. | Clinical detail(s) | Antimicrobial resistancea | Phage patternb | Phage group(s) | PFGE type | ST | SCCmec typec | agr allele | Toxin profile |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Pneumonia | PEN, CHL, ERY | 52A, 79, 80, 75, 85, 96 | I/III/V | A | 1 | 3 | seh | |
| 2 | Cellulitis of arm | PEN, CHL, TET | 42E, 53, 81 | III | B | 5 | 2 | sea, seg, sei | |
| 3 | Orbital cellulitis | PEN, MET, OXA, CHL, ERY, GEN, TET | 29, 52, 52A, 79, 80, 95, 47, 53, 54, 77, 83A, 84, 85 | I/III | C | 8 | I | 1 | sec, seg, sei, tst |
| 4 | Burn | PEN | 29, 42E, 53, 54, 77, 83A, 85, 81, 94, 96 | I/III/V | D | 361 | 1 | sea, seg, sei, tst | |
| 5 | Burn | PEN, MET, OXA, TET, FUS | 52, 80 | I | E | 80 | IVc | 3 | etd |
| 6 | Skin lesions | PEN, MET, OXA, CHL, ERY, SYN, TET, FUS | 79, 80 | I | E | 80 | IVc | 3 | etd |
| 7d | No information | PEN, MET, OXA | 29, 52, 52A, 79, 80, 95, 6, 42E, 47, 53, 54, 75, 84, 81 | I/III | E | 80 | IVc | 3 | etd |
| 8d | No information | PEN, MET, OXA, CIP, TET, FUS | 29, 52, 52A, 80, 95 | I | E | 80 | IVc | 3 | etd |
| 9 | Epidural abscess | PEN, MET, OXA, TET, FUS | 29, 52, 52A, 80 | I | E | 80 | IVc | 3 | etd |
| 10 | Abscess | PEN, MET, OXA, TET, FUS | Nontypeable | E | 80 | IVc | 3 | etd | |
| 11 | Family outbreak of spots | PEN, MET, OXA, TET, FUS | Nontypeable | E | 80 | IVc | 3 | etd | |
| 12 | Boil | PEN, MET, OXA, CHL, TET, FUS | 29, 52, 52A, 80 | I | E | 80 | IVc | 3 | etd |
| 13 | Scalded skin syndrome | PEN, MET, OXA, ERY | 80 | I | E | 80 | IVc | 3 | etd |
| 14 | Shoulder abscess | PEN, MET, OXA | Nontypeable | E | 80 | IVc | 3 | etd | |
| 15 | Skin lesion | PEN, MET, OXA, SYN, FUS | 29, 80 | I | F | 80 | IVc | 3 | etd |
| 16 | Infected tropical bites | PEN, MET, OXA, TET, FUS | Nontypeable | G | 80 | IVc | 3 | etd | |
| 17d | Bacteremia | PEN, CHL, GEN, TET | 3A, 3C, 55, 71 | II | H | 121 | 4 | seb, seg, sei | |
| 18 | Perianal abscess | PEN | 3A, 3C, 55, 71 | II | H | 121 | 4 | seg, sei | |
| 19d | Skin lesions | PEN | 3A, 3C, 55, 71 | II | H | 121 | 4 | seb, seg, sei | |
| 20d | No information | PEN, CHL, GEN | 42E, 54, 75, 83A, 81 | III | I | 22 | 1 | seg, sei | |
| 21 | Arm abscess | PEN, GEN, FUS | 6, 42E, 47, 54, 75, 81 | III | I | 22 | 1 | seg, sei | |
| 22d | Empyema | PEN, CHL, GEN | 42E, 75, 81 | III | I | 22 | 1 | seg, sei | |
| 23 | Bacteremia | CHL, SYN | 29, 52, 52A, 79, 80, 95, 6, 42E, 47, 53, 54, 75, 83A, 84, 85, 81, 94 | I/III/V | J | 243 | 3 | seg, sei | |
| 24 | Pneumonia | PEN, CHL, GEN, SYN | Nontypeable | J | 360 | 3 | sea, seg, sei, tst | ||
| 25 | Abdominal abscess | — | 29, 6, 47, 54, 75, 85 | I/III | J | 30 | 3 | seg, sei | |
| 26 | Pneumonia | PEN, CHL | 29, 80, 6, 47, 53, 54, 75, 77, 83A, 84 | I/III | J | 30 | 3 | seg, sei | |
| 27 | Cellulitis on leg | PEN, CHL, TET | 29, 52, 52A, 79, 80, 95, 77, 84, 85 | I/III | K | 37 | 3 | sec, seg, sei, tst | |
| 28d | Pneumonia | PEN, MET, OXA, CHL | 29, 52, 52A, 79, 80, 95, 6, 42E, 47, 54, 75, 77, 81 | I/III | L | 30 | IVc | 3 | seg, sei |
| 29d | Bacteremia | PEN, CHL, GEN | 29, 52, 80, 75, 84, 85, 81 | I/III | M | 39 | 3 | ||
| 30 | Breast abscess | — | 81e | N | 359 | Nontypeable | 1 |
The panel of antimicrobials included penicillin (PEN), oxacillin (OXA), methicillin (MET), chloramphenicol (CHL), ciprofloxacin (CIP), clindamycin (CLI), erythromycin (ERY), gentamicin (GEN), linezolid (LZD), rifampicin (RIF), quinupristin-dalfopristin (SYN), tetracycline (TET), teicoplanin (TEC), vancomycin (VAN), fusidic acid (FUS), and mupirocin (MUP). —, no resistance to antimicrobials tested.
Underlined phages showed strong or inhibitory reactions; the remainder were weak.
SCCmec IVc isolates carried type 2 cassette chromosome recombinase (ccrA/B) genes (15).
Isolates identified in the frequency study.
Phage 81 is not assigned to a recognized phage group.
Reacted with MECA P4, MECA P7, RIF5 F10, and RIF5 R13 primers only (31). No amplification product was obtained with primers for the ccrA/B genes (16).