Volume 10, Number 8—August 2004
Dispatch
Rickettsia parkeri in Amblyomma triste from Uruguay
José M. Venzal*
, Aránzazu Portillo†, Agustín Estrada-Peña‡, Oscar Castro*, Perla A. Cabrera*, and José A. Oteo†
, Aránzazu Portillo†, Agustín Estrada-Peña‡, Oscar Castro*, Perla A. Cabrera*, and José A. Oteo†Table
Amblyomma triste ticks collected from different origins in Uruguaya
| Host | No. of ticks (N = 91) |
Location | Date of isolation | PCR amplification |
SFG Rickettsia species found in ticks | |||
|---|---|---|---|---|---|---|---|---|
| Males | Females | ompA | gltA | 16S rRNA | ||||
| Human 1 |
0 |
1 |
Maldonado |
Nov 1999 |
− |
− |
− |
|
| Human 2 |
2 |
0 |
Canelones |
Oct 2000 |
− |
− |
− |
|
| Patient 3b |
1 |
0 |
Montevideo |
Oct 2000 |
+ |
+ |
+ |
R. parkeri |
| Human 4 |
2 |
0 |
Maldonado |
Dec 2000 |
− |
− |
− |
|
| Human 5 |
1 |
0 |
San José |
Oct 2001 |
− |
− |
− |
|
| Human 6 |
0 |
1 |
Canelones |
Sep 2002 |
+ |
+ |
+ |
R. parkeri |
| Human 7 |
1 |
0 |
Montevideo |
Dec 2002 |
+ |
+ |
+ |
R. parkeri |
| Human 8 |
1 |
2 |
Montevideo |
Oct 2002 |
− |
− |
− |
|
| Human 9 |
2 |
7 |
Montevideo |
Oct 2002 |
− |
− |
− |
|
| Human 10 |
1 |
1 |
Canelones |
Aug 2003 |
− |
− |
− |
|
| Human 11 |
1 |
1 |
Canelones |
Aug 2003 |
− |
− |
− |
|
| Human 12 |
2 |
1 |
Montevideo |
Oct 2003 |
− |
− |
− |
|
| Human 13 |
0 |
1 |
Montevideo |
Sep 2003 |
− |
− |
− |
|
| Human 14 |
3 |
4 |
Canelones |
Sep 2003 |
− |
− |
− |
|
| Human 15 |
4 |
8 |
Montevideo |
Oct 2003 |
− |
− |
− |
|
| Human 16 |
2 |
0 |
Canelones |
Nov 2003 |
− |
− |
− |
|
| Human 17 |
1 |
0 |
Canelones |
Nov 2003 |
− |
− |
− |
|
| Human 18 |
0 |
2 |
Montevideo |
Jan 2004 |
− |
− |
− |
|
| Goat 1 |
1 |
0 |
Maldonado |
Nov 1999 |
− |
− |
− |
|
| Goat 2 |
0 |
2 |
Canelones |
Oct 2000 |
– |
− |
− |
|
| Rodent |
2 |
2 |
Montevideo |
Oct 2000 |
− |
− |
− |
|
| Dog 1 |
3 |
21 |
Maldonado |
Dec 2000 |
+ (3) |
+ (3) |
+ (3) |
R. parkeri |
| Dog 2 |
0 |
1 |
San José |
Oct 2001 |
− |
− |
− |
|
| Dog 3 |
1 |
4 |
Canelones |
Sep 2002 |
− |
− |
− |
|
| Vegetation | 0 | 1 | Montevideo | Dec 2002 | − | − | − | |
aPCR, polymerase chain reaction; SFG, spotted fever group.
bPatient 3 had rickettsioses.
