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Ehrlichiosis in children
J R Harkess1, S A Ewing, T Brumit
1Epidemiology Service, Oklahoma State Department of Health, Oklahoma City 73152.
Pediatrics
|February 1, 1991
Summary
Human ehrlichiosis, a tick-borne illness, was diagnosed in 10 Oklahoma children between 1986-1988. Most recovered after antibiotic treatment, suggesting ticks may transmit this emerging disease.
Area of Science:
- Infectious Diseases
- Tick-borne Illnesses
- Pediatric Health
Background:
- Emerging tick-borne rickettsial infections of the genus Ehrlichia are increasingly recognized as a cause of human illness in the United States.
- Understanding the epidemiology and clinical presentation of ehrlichiosis is crucial for timely diagnosis and treatment, particularly in pediatric populations.
Observation:
- Ten cases of ehrlichiosis were diagnosed in children in Oklahoma between 1986 and 1988.
- Common symptoms included fever, headache, myalgias, nausea, vomiting, and anorexia.
- Rash was observed in a majority of patients, though not always prominent; common laboratory findings included leukopenia, lymphopenia, and thrombocytopenia.
Findings:
- All ten pediatric patients diagnosed with ehrlichiosis in Oklahoma recovered following treatment with tetracycline or chloramphenicol, or in one case, without antibiotic intervention.
- The seasonal onset of illness coincided with the peak activity of Amblyomma americanum and Dermacentor variabilis ticks.
- This temporal association suggests that these tick species may serve as vectors for human ehrlichiosis in the region.
Implications:
- These findings highlight the importance of considering ehrlichiosis in the differential diagnosis of febrile illnesses in children, especially in endemic areas.
- The study underscores the potential role of specific tick vectors in the transmission of Ehrlichia species to humans.
- Further research into tick vector control and public awareness is warranted to mitigate the impact of this emerging infectious disease.