Table. Cluster patients with isolates, dates, and sensitivitiesa.
| Patient | Culture date | Body site | PFGE type | Resistance phenotypeb |
|---|---|---|---|---|
| MRSA | ||||
| O1-1 | 1/22/99 | wd,bl | E | cli ERY tcy van SAM FEP OXA sxt CZO AMC amk |
| O1-2 | 7/10/99 | no,ax | D | CLI ERY TCY van OXA sxt AMK |
| O1-3 | 7/10/99 | sp | D | CLI ERY TCY van SAM FEP OXA sxt CZO AMC AMK |
| O1-4 | 8/23/99 | wd | C | CLI ERY TCY van SAM FEP OXA sxt CZO AMC AMK |
| O1-5 | 9/3/99 | wd | C | CLI ERY TCY van SAM FEP OXA sxt CZO AMC AMK |
| O1-6 | 9/6/99 | wd | C | CLI ERY TCY van SAM FEP OXA sxt CZO AMC AMK |
| O1-7 | 9/13/99 | bl | C | CLI ERY TCY van OXA sxt AMK |
| VRE | ||||
| O2-1 | 1/20/00 | bl | non-B | VAN amc AMP |
| O2-2 | 5/12/00 | st | B | VAN amc AMP |
| O2-3 | 5/14/00 | fl | B | VAN amc AMP |
| O2-4 | 5/18/00 | st | B | VAN amc AMP |
| O2-5 | 5/19/00 | ti,st | B | VAN amc AMP TCY chl IPM nit |
| O2-6 | 5/24/00 | st | B | VAN amc AMP |
| O2-7 | 6/23/00 | fl | non-B | VAN AMC AMP |
aMRSA, methicillin-resistant Staphylococcus aureus; PFGE, pulsed-field gel electrophoresis; O1, outbreak 1; O2, outbreak 2; VRE, vancomycin-resistant enteroccocus; bl, blood; sp, sputum; st, stool; wd, wound; ti, tissue; ax, axilla; no, nose; fl, fluid. bAntibiotic codes in capital letters are resistant results; those in lowercase letters are susceptible: AMC, amoxicillin/clavulanate; AMP, ampicillin; AMK, amikacin; CLI, clindamycin; CZO, cefazolin; ERY, erythromycin; FEP, cefepime; OXA, oxacillin; SAM, ampicillin/sulbactam; SXT, trimethoprim/sulfamethoxazole; TCY, tetracycline; VAN, vancomycin.