Table 2.
Molecular evaluation of adult Gulf Coast ticks (Amblyomma maculatum) in the United States for infection with “Candidatus Rickettsia andeanae” and Rickettsia parkeri, 2000–2014.
| State(s) | Year(s) | Number of ticks evaluated | Number (%) positive for | Reference | ||
|---|---|---|---|---|---|---|
| “Ca. R. andeanae” | R. parkeri | both Rickettsia spp. | ||||
| Florida | 2005–2007 | 128 | 2 (2) | 28 (22) | 0 | Paddock et al. 2010 |
| Mississippi | 2007 | 70 | 3 (4) | 27 (39) | 0 | Paddock et al. 2010 |
| 2008–2010 | 698 | 22 (3) | 118 (17) | 12 (2) | Ferrari et al. 2012 | |
| North Carolina | 2009–2010 | 234 | 9 (4) | 68 (29) | 1 (0.4) | Varela-Stokes et al. 2011 |
| Virginia | 2010–2012 | 293 | 1 (0.3) | 154 (52) | 0 | Naldony et al. 2013 |
| Kentucky | 2000–2009 | 10 | 0 | 3 (30) | 0 | Jiang et al. 2012 |
| Kentucky and Tennessee | 2012 | 105 | 0 | 15 (14) | 0 | Pagac et al. 2014 |
| Delaware | 2012–2013 | 26 | 0 | 2 (8) | 0 | Florin et al. 2013, Florin et al. 2014 |
| Kansas | 2000–2012 | 5 | 4 (80) | 0 | 0 |
Jiang et al. 2012 E.Y. Stromdahl, pers. comm |
| 2012–2013 | 94 | 44 (47) | 0 | 0 | Data herein | |
| Oklahoma | 2000–2009 | 1 | 1 (100) | 0 | 0 | Jiang et al. 2012 |
| 2011–2014 | 122 | 89 (73) | 0 | 0 | Data herein | |