Abstract
During 2014, cutaneous lesions were reported in dairy cattle and farmworkers in the Amazon Region of western Colombia. Samples from 6 patients were analyzed by serologic and PCR testing, and results demonstrated the presence of vaccinia virus and pseudocowpox virus. These findings highlight the need for increased poxvirus surveillance in Colombia.
Highlights
During 2014, cutaneous lesions were reported in dairy cattle and farmworkers in the Amazon Region of western Colombia
VACV has been detected in recurrent zoonotic outbreaks in Brazil, where it has been categorized into 2 well-defined genetic lineages
Patients 4, 10, and 14 exhibited detectable OPXV IgG without detectable OPXV IgM. These results suggest the patients had previous OPXV infections, given that an active parapoxvirus infection was demonstrated in patient 4 and vaccination could be ruled out for patients 10 (a 20-yearold) and 14 (a 24-year-old) based on their age
Summary
During 2014, cutaneous lesions were reported in dairy cattle and farmworkers in the Amazon Region of western Colombia. In Colombia, the most recently reported VACV outbreak in 1965–1966 caused disease in ≈8,570 cows and 150 humans and was associated with intensified smallpox eradication campaigns that extended until 1972 [3,7]. The Study During an active outbreak investigation in February–July 2014, serum and exanthematous lesion samples were collected from 6 patients in the bordering municipalities of Valparaíso (patients 1–5) and Solita (patient 6) in the department of Caquetá (Figure 1; Table) in the Amazon Region of Colombia.
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