Volume 27, Number 6—June 2021
CME ACTIVITY - Synopsis
Rocky Mountain Spotted Fever in a Large Metropolitan Center, Mexico–United States Border, 2009–2019
Oscar E. Zazueta
, Paige A. Armstrong, Adriana Márquez-Elguea, Néstor Saúl Hernández Milán, Amy E. Peterson, Diego F. Ovalle-Marroquín, Maria Fierro, Rodolfo Arroyo-Machado, Moises Rodriguez-Lomeli, Guillermo Trejo-Dozal, and Christopher D. Paddock
, Paige A. Armstrong, Adriana Márquez-Elguea, Néstor Saúl Hernández Milán, Amy E. Peterson, Diego F. Ovalle-Marroquín, Maria Fierro, Rodolfo Arroyo-Machado, Moises Rodriguez-Lomeli, Guillermo Trejo-Dozal, and Christopher D. Paddock
Table 3
Age distribution of patients with PCR- and IFA-positive cases of fatal Rocky Mountain spotted fever, Mexicali, Mexico, 2009–2019*
| Age group, y | No. (%) |
|||
|---|---|---|---|---|
| PCR-positive | IFA-positive | PCR- and IFA-positive | Total | |
| <15 | 25 (20) | 6 (54.55) | 1 (25) | 32 (22.86) |
| 16–24 | 25 (20) | 0 | 0 | 25 (17.86) |
| 25–44 | 43 (34.40) | 3 (27.27) | 2 (50) | 48 (34.29) |
| 45–64 | 28 (22.40) | 2 (18.18) | 1 (25) | 31 (22.14) |
| >65 |
4 (3.20) |
0 |
0 |
4 (2.86) |
| Total | 129 (100) | 11 (100) | 4 (100) | 140 (100) |
*IFA, indirect immunofluorescence antibody assay.
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