Influenza A Virus Subtype H3N8 - Diagnosis

Diagnosis

Fever of 102.5- 105.0 F, frequent dry cough for several weeks, ‘drippy’ nose with discharge and secondary bacterial infection are some of the clinical signs of Equine influenza virus infection. isolation of influenza virus from nasopharyngeal and or large rise in antibody titer in equine-1 or 2 serum can be used as diagnosis in horses. Other clinical findings may include a serous or light mucoid nasal discharge, epiphora, tender but rarely swollen submandibular lymph nodes, hyperemia of nasal and conjunctival mucosa, tachypnea, tachycardia, limb edema, muscle soreness and stiffness.