TABLE 4.
Cluster analysis of New York and Pennsylvania S. enterica Dublin isolates with other U.S. isolates
| New York-Pennsylvania clustera | Locationb and isolation date (mo/yr) | States with isolates grouped with the New York-Pennsylvania isolates at an ED of ≤3 in the dendrogramc |
|---|---|---|
| SD1 | N7 (5/90) | AL, CO, IA, IL, WI |
| SD1 | N7 (5/91) | ID, MN, ND |
| SD1 | P7 (1/90) | ID, MN, MO, ND |
| SD1 | N6 (12/89), N8 (7/90), N9 (3/91) | ND |
| SD2 | N3 (1/89) | AL, TN |
| SD2 | N3 (11/88), N3 (2/89) | AZ, CA, MO, WA |
| SD3 | N3 (1/89), N9 (3/91) | SD |
| SD4 | P3 (10/89) | AZ, ID |
| SD4 | N2 (11/88), N3 (3/89) | UT |
| SD5 | N3 (2/89), N8 (7/90) | TX |
| SD6 | N1 (10/88), N8 (7/90), N9 (3/91) | GA |
a
Cluster corresponds to the clusters of Tables 2 and 3. (See Table 2 for the definition of cluster.)
b
N, New York; P, Pennsylvania. “N7” refers to the seventh outbreak in New York. Only isolates grouping at the level of clone are listed, i.e., with a value of ≤3 ED on the dendrogram.
c
AL, Alabama; AZ, Arizona; CA, California; CO, Colorado; GA, Georgia; IA, Iowa; ID, Idaho; IL, Illinois; MO, Missouri; MN, Minnesota; ND, North Dakota; SD, South Dakota; TN, Tennessee; TX, Texas; UT, Utah; WA, Washington; WI, Wisconsin.