Interim ICC Report – February 2019 #09 (14.02.19)

Interim ICC Report Feb 19 #09 (14.02.19) – Report from Canada on Equine Infectious Anaemia, France on EHV-4 Respiratory Infection, Strangles, United Kingdom on Equine Influenza & USA on Equine Infectious Anaemia and Equine Influenza

Canada

Equine Infectious Anemia (EIA)

The Canadian Food Inspection Agency confirmed a case of EIA in a horse on a premises in Red Deer County , Alberta.  It had been sampled to comply with export conditions.  Date of confirmation was 6 February.

 

France

Equine Herpes Virus-4 (EHV-4) Respiratory Infection

On 14 February 2019, RESPE confirmed a case of EHV-4 respiratory infection in Maine-et-Loire. The positive diagnosis was confirmed by PCR on a nasopharyngeal swab by LABEO Frank Duncombe.

 

Strangles

On 14 February 2019, RESPE confirmed an outbreak of strangles on a premises in Orne. The affected horses are yearling French Trotters that presented with coughing, nasal discharge and lymphadenopathy. There are a total of two laboratory confirmed positives, with three others with similar clinical signs, among a group of 40. Positive diagnosis was confirmed by PCR on a nasopharyngeal swab.

 

United Kingdom

Equine Influenza (EI)

On 13 February 2019, AHT confirmed an outbreak of EI on a premises in Hertfordshire. There are a total of 30 non-Thoroughbreds on the premises, of which the majority are unvaccinated. There are five laboratory confirmed positives by PCR on nasopharyngeal swabs. A total of 15 horses have clinical signs of coughing, pyrexia and nasal discharge at time of reporting. The premises has instigated voluntary movement restrictions.

 

On 13 February 2019, AHT confirmed a case of EI on a premises in Buckinghamshire. The affected horse is a recently acquired unvaccinated non-Thoroughbred that presented the day after arrival with a harsh cough, nasal discharge and pyrexia. The positive diagnosis was confirmed by PCR on a nasopharyngeal swab. There are a total of five vaccinated in-contacts.

 

On 13 February 2019, AHT confirmed a case of EI on a premises in Central Scotland. The affected horse is a recently acquired unvaccinated non-Thoroughbred that presented the day of arrival with nasal discharge which progressed to coughing, lethargy and pyrexia. The positive diagnosis was confirmed by PCR on a nasopharyngeal swab. There are a total of three vaccinated in-contacts. The premises has instigated voluntary movement restrictions.

 

On 13 February 2019, AHT confirmed a case of EI on a premises in Worcestershire. The affected horse is a vaccinated non-Thoroughbred that presented with a mild cough and mucoid nasal discharge. The horse has had no pyrexia and continued to be bright and eating. The appropriate vaccine manufacturers and the Veterinary Medicines Directorate will be made aware of this case. The positive diagnosis was confirmed by PCR on a nasopharyngeal swab. There are no in-contacts.

 

On 13 February 2019, AHT confirmed a case of EI on a premises in Worcestershire. The affected horse is an unvaccinated non-Thoroughbred that presented with coughing, nasal discharge and pyrexia. The positive diagnosis was confirmed by PCR on a nasopharyngeal swab. There are a total of 35 in-contacts, of which about half a vaccinated. There was also a laboratory confirmed strangles case confirmed on the yard in the last month and voluntary movement restrictions have been in place since this confirmation.

 

USA

Equine Infectious Anemia (EIA)

The Texas Animal Health Commission confirmed EIA in nine racing Quarter Horses on a premises in Smith County on 31 January.  Subsequent testing confirmed that seven of these horses were also positive for equine piroplasmosis.  Additional information on this outbreak is pending.

 

Equine Influenza (EI)

Equine influenza has been confirmed on premises in a number of counties in Indiana.  Three horses were diagnosed positive on a facility in Hamilton, County.  Another outbreak of the disease was confirmed on a separate premises in the same county. One case of EI was confirmed in an eight-year-old Warmblood mare that presented with fever, coughing and nasal discharge. The horse is recovering although still clinical. A second case on the same property involved a 20-year-old Warmblood mare that exhibited fever and mild nasal discharge.  She too is making a recovery.  Although no details have been provided, a third premises in Hamilton County has also been affected with EI.  There is a recent history of horses returning from the World Equestrian Center in Ohio. A voluntary quarantine has been imposed.

 

Equine influenza has also been reported on a facility in Ripley County.  Other than a statement that three horses were affected though still alive, no further details were provided. No quarantine restrictions have been imposed.   The disease has also been reported at the World Equestrian Center in Clinton County.  Three horses were moved into isolation upon the onset of the disease.  All were negative for evidence of Equine Herpes Viurs-1 and -4 infection and strangles.  Horses at the facility are stated to be up to date with respect to vaccination against EI.  A voluntary quarantine has been imposed.

 

 

Kind regards

International Collating Centre