Diagnosis of equine influenza.

Summary

# Editorial Summary: Diagnosis of Equine Influenza Equine influenza represents a significant biosecurity concern during peak competition and trading seasons when horse populations concentrate and intermingle, creating ideal conditions for rapid viral transmission. Adam Rash's review examines the diagnostic approaches essential for timely identification of equine influenza cases and their differentiation from other respiratory conditions presenting with similar clinical signs. The paper emphasises the importance of early and accurate diagnosis through appropriate sampling techniques and laboratory methods, particularly given the disease's potential for rapid spread through populations and its reportable status in many jurisdictions. For practitioners, the key takeaway centres on maintaining diagnostic vigilance during high-risk periods and understanding which diagnostic tools—including nasopharyngeal swabs, PCR testing, and serological methods—provide the most reliable results at different stages of infection. Prompt, accurate diagnosis not only enables effective individual case management and treatment initiation, but also facilitates rapid implementation of quarantine and infection control measures that can substantially limit economic losses and welfare impacts across equine facilities and competitive venues.

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Key Findings

• •Increased horse movement during summer months elevates disease transmission risk and clinical case incidence
• •Veterinarians and horse owners must maintain vigilance for equine influenza infection during high-risk periods

Conditions Studied