epidemiology and genetic characterization of h3n8 equine influenza virus responsible for clinical disease in algeria in outbreak of equine influenza (ei) was reported in algeria between may and july, 2011. the outbreak started in tiaret, in west province of algeria, and spread to the other parts of the country affecting almost 900 horses in many provinces. the population studied was composed of 325 horses from different groups of age. clinical sign expression was age dependent. indeed, a morbidity rate of 14.9% was observed in horses under 15 months old and a rate of 4.95% in horses over 8 years old. interesti ...201524472362
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