Temporal and spatial epidemiology of canine monocytic ehrlichiosis in Nueva Ecija, Philippines

canine monocytic ehrlichiosis disease profiling spatio-temporal Nueva Ecija, Philippines

Authors

  • Francis Y. Reyes College of Veterinary Science and Medicine, Central Luzon State University, Science City of Munoz, Nueva Ecija, 3120, Philippines, Philippines
  • Christian C. Santos
    christian.santos@clsu.edu.ph
    College of Veterinary Science and Medicine, Central Luzon State University, Science City of Munoz, Nueva Ecija, 3120, Philippines, Philippines
  • Armando G. Agustin Veterinary Teaching Hospital, College of Veterinary Science and Medicine, Central Luzon State University, Science City of Munoz, Nueva Ecija, 3120, Philippines, Philippines
Figure 1. Spatial distribution of laboratory-confirmed canine mono-cytic ehrlichiosis cases in (A) Cabanatuan City, (B) Muñoz City, (C) San Jose City, (D) Gapan City, (E) Palayan City, and (F) municipalities of Nueva Ecija, Philippines, during 2021–2022.

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Canine monocytic ehrlichiosis (CME) is a vector-borne disease that affects dogs. This study characterized CME epidemiological profiles by examining associations with age, sex, breed, clinical manifestations, acaricide use, and case distribution in veterinary clinics in Nueva Ecija, Philippines. A total of 1,117 CME-positive cases were collected from eight clinics in Cabanatuan, Muñoz, San Jose, and Gapan City between 2021 and 2022. Diagnosis used commercial rapid test kits. Statistical analyses revealed significant associations between CME prevalence and age, breed, and patient demographics. Cabanatuan City reported the highest number of cases (n = 508). Sex and seasonal variation showed no significant associations with CME occurrence, although cases increased during the hot months (March–June).

How to Cite

1.
Reyes FY, Santos CC, Agustin AG. Temporal and spatial epidemiology of canine monocytic ehrlichiosis in Nueva Ecija, Philippines. ARSHI vet lett [Internet]. 2025 Nov. 1 [cited 2026 May 22];9(4):91-2. Available from: https://journal.ipb.ac.id/arshivetlett/article/view/66721