Volume 24, Number 2—February 2018
Research Letter
Rickettsia africae and Novel Rickettsial Strain in Amblyomma spp. Ticks, Nicaragua, 2013
Helena Vogel, Janet Foley
, and Christine V. Fiorello
, and Christine V. Fiorello
Table
Number of dogs and ticks sampled, tick species, and prevalence of rickettsiae in ticks in 3 indigenous communities, northern Nicaragua
| Category | Amak | Raiti | Arang Dak | Total |
|---|---|---|---|---|
|
No. dogs sampled
|
11
|
10
|
19
|
40
|
| No. ticks collected and tested | 25 | 55 | 66 | 146 |
| A. ovale (PCR-positive) | 25 (4) | 45 (10) | 57 (4) | 127 (18) |
| A. mixtum (PCR-positive) | 0 | 4 (3) | 8 (2) | 12 (5) |
|
A. triste (PCR-positive)
|
0
|
6 (1)
|
1 (0)
|
7 (1)
|
| Prevalence of rickettsiae in ticks, % (95% CI) | 16.0 (5.25–36.9) | 25.5 (15.1–39.3) | 9.09 (3.75–19.4) | 16.4 (11.0–23.7) |
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