TABLE 1.
Characterization of the 32 test strains in this study
| Strain | Serogroup | Year | Area | Source |
|---|---|---|---|---|
| SZ026 | 1 | 2004 | Guangdong | Cooling tower |
| SZ029 | 1 | 2004 | Guangdong | Cooling tower |
| SZ114 | 1 | 2004 | Guangdong | Cooling tower |
| SZ117 | 1 | 2004 | Guangdong | Cooling tower |
| FS24 | 1 | 2005 | Beijing | Spa water |
| FS25 | 1 | 2005 | Beijing | Spa water |
| FS27 | 1 | 2005 | Beijing | Spa water |
| FS28 | 1 | 2005 | Beijing | Spa water |
| Yu329 | 1 | 2005 | Chongqing | Cooling tower |
| Yu281 | 1 | 2005 | Chongqing | Cooling tower |
| GX4-1 | 1 | 2006 | Guangxi | Cooling tower |
| GX3-5 | 1 | 2006 | Guangxi | Cooling tower |
| ZJ050065 | 1 | 2006 | Zhejiang | Cooling tower |
| ZJ050051 | 1 | 2006 | Zhejiang | Cooling tower |
| NX0702 | 1 | 2007 | Ningxia | Cooling tower |
| NX0703 | 1 | 2007 | Ningxia | Cooling tower |
| Qin1 | 1 | 2008 | Hebei | Cooling tower |
| Qin5 | 1 | 2008 | Hebei | Cooling tower |
| JX6 | 1 | 2008 | Jiangxi | Cooling tower |
| JX1 | 1 | 2008 | Jiangxi | Cooling tower |
| JX2 | 1 | 2008 | Jiangxi | Cooling tower |
| JX3 | 1 | 2008 | Jiangxi | Cooling tower |
| JX4 | 1 | 2008 | Jiangxi | Cooling tower |
| JX5 | 1 | 2008 | Jiangxi | Cooling tower |
| Hu3 | 1 | 2008 | Neimenggu | Cooling tower |
| Hu6 | 1 | 2008 | Neimenggu | Cooling tower |
| JX7 | 5 | 2008 | Jiangxi | Cooling tower |
| BJ-6 | 6 | 2004 | Beijing | Household warm water system |
| BJ-7 | 6 | 2004 | Beijing | Household warm water system |
| FS6B | 6 | 2005 | Beijing | Spa water |
| Hu1 | Nonea | 2008 | Neimenggu | Cooling tower |
| Hu5 | Nonea | 2008 | Neimenggu | Cooling tower |
a
Not in serogroups 1 to 6.