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Volume 32, Number 2—February 2026
Research
Predictors of Fatal Outcomes among Pediatric Patients Hospitalized for Rocky Mountain Spotted Fever, Sonora, Mexico, 2004–20241
Figure 3

Figure 3. Clinical progress of children in in study of predictors of fatal outcomes among pediatric patients hospitalized for Rocky Mountain spotted fever, Sonora, Mexico, 2004–2024. A) Maculopapular rash on the palm of an 8-year-old child, observed on day 3 after symptom onset. B) Edema with petechia on the dorsum of the hand of a 6-year-old child, observed on day 5 after symptom onset. C) Ecchymotic patches on the foot and ankle of a 7-year-old child, observed on day 7 after symptom onset. D) Necrosis of the left lower limb in another 7-year-old child, observed on day 24 of disease progression.
1Preliminary results from this study were presented at the Southeastern Pediatric Research Conference; June 6, 2025; Atlanta, Georgia, USA; and at the American Society of Tropical Medicine and Hygiene Conference; November 10, 2025; Toronto, Ontario, Canada.
2These senior authors contributed equally to this article.