Mpox virus (MPXV) infection is difficult to distinguish from other (non-)infectious diseases. The etiology of rash can be differentiated by real-time polymerase chain reaction (rtPCR) on different types of samples. The study aims to provide experience with emerging MPXV diagnostics in a tertiary-level laboratory in Bosnia and Herzegovina. From July-December 2022, a total of 18 mpox suspected persons were tested. MPXV infection was confirmed by rtPCR in 10/18 (55.56 %) persons. The number of cases reached a peak in October 2022. The lowest median Crossing point (Cp) (x̄ = 29.76) was obtained from a swab of skin lesions in a viral transport medium (VTM). Evaluating the Cp values for the 7/9 mpox cases from whom paired swab samples from different anatomic sites were collected, higher positivity of skin lesion swabs in VTM was observed. In conclusion, our data highlighted the confirmatory role of rtPCR in the diagnosis of MPXV in skin lesion samples.
Keywords: Bosnia and Herzegovina; Cp value; MPXV; Mpox; Real-time PCR; Swab samples.
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