Equine Influenza in Nebraska and Iowa
An attending veterinarian in Douglas County, Nebraska, reported one confirmed case and 11 suspected cases of equine influenza. There are 50 other horses exposed. A voluntary quarantine has been put in place.
The positive horse was a 2-year-old Quarter Horse gelding that had onset of clinical signs on March 8 that included anorexia, coughing, fever and nasal discharge. The gelding was confirmed with equine influenza on March 13. The gelding also tested positive for EHV-4 on a nasal swab.
Also in Douglas County, Nebraska, an attending veterinarian reported that two horses had tested positive for equine influenza, three were suspected of having the disease, and eight other horses were exposed on a premises.
The first horse was a 6-year-old mustang mare that had coughing, fever and nasal discharge. She also was confirmed positive for EHV-4. The unvaccinated mare is recovering.
The second horse was a 9-year-old Quarter Horse gelding that had onset of clinical signs on March 6 that included coughing, fever and nasal discharge. The unvaccinated gelding is recovering.
Note that Douglas County, Nebraska, is on the Eastern edge of the state and Pottawattamie County, Iowa, is on the Western edge of the state.
Iowa Equine Influenza
An attending veterinarian reported one confirmed equine influenza case in Pottawattamie County, Iowa. There are nine suspect cases on the premises and 15 exposed horses.
The positive equine influenza case was in a 3-year-old Quarter Horse gelding that had onset of clinical signs on March 3 that included coughing, fever and nasal discharge. He was confirmed positive on March 7. The unvaccinated gelding is recovering. He also tested positive for EHV-4 in nasal secretions.
Information for this report was provided by the Equine Disease Communication Center.