Volume 24, Number 2—February 2018
Research Letter
Rickettsia africae and Novel Rickettsial Strain in Amblyomma spp. Ticks, Nicaragua, 2013
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) |