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Rickettsia amblyommatis and Ehrlichia chaffeensis Prevalence Among Amblyomma americanum Ticks at a Residential and Nonresidential Park in Edmond, Oklahoma, USA as Determined by qPCR
| Park | Stage (No. of ticks tested) | R. amblyommatis (No. of positive ticks) | E. chaffeensis (No. of positive ticks) |
|---|---|---|---|
| Residential | Adults (144) | 33.3% (48) | 14.6% (21) |
| Nymphs (145) | 36.6% (53) | 13.1% (19) | |
| Nonresidential | Adults (93) | 29.0% (27) | 21.5% (20) |
| Nymphs (52) | 34.6% (18) | 11.5% (6) | |
| Total | 434 | 33.6% (146) | 15.2% (66) |
