Indigenous West Nile virus infections in horses in Albania.

The research paper discusses the detection of the West Nile Virus (WNV) in horses from various districts in Albania, with a significant prevalence rate, as well as the absence of the WNV in horses and birds examined in Kosovo.

Methodology & Samples

• The research used samples acquired from 167 horses across 12 districts in Albania. In addition to this primary set of samples, 95 bird serum samples from Albania and 29 horse samples from Kosovo were also used.
• The study employed techniques like enzyme-linked immunosorbent assay (ELISA) and virus neutralization assays. These techniques can detect the presence of WNV-specific antibodies in the specimens, which signify an immune response to a past or recent infection with the virus.

Findings from Albania

• The result of the Albanian samples indicated a 22% seroprevalence rate amongst horses, marking the presence of WNV in these horses. Seroprevalence refers to the total number of individuals in a population who test positive for a specific disease based on serology (blood serum) specimens. This means approximately 22% of horses sampled in Albania had WNV-specific antibodies, indicating prior exposure to the infection.

Findings from Kosovo

• In contrast, no specific WNV antibodies were discovered within samples gathered from both Kosovo’s horses or birds. This absence suggests that, these animals had not been exposed to the West Nile Virus.

Significance of the Study

• This study is crucial as it is the first of its kind to indicate WNV infection among animals in Albania, and it provided the first-ever seroprevalence report from Kosovo.
• The evidence of widespread WNV in Albania underscores potential public health risks given that the virus can be transmitted to humans via the bites of infected mosquitoes. Preventive measures to control the disease’s transmission could thus be necessary.