Equine Herpes virus outbreak

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Newst update...

The information below was provided to us directly, by each state

veterinarian’s office. Although there is considerable speculation about

additional cases in some states, it does take time to confirm positive

reports before anything can be announced in an official capacity. The

following notices will only be updated as we continue to receive e-mails

from state veterinarian offices.

California- The CA Dept. of AG was able to confirm that as of 9 am. this

morning they have ten positive horses. Information to date suggests they

were all at the Utah event.

Colorado- Two confirmed cases of EHV-1 in two Colorado horses, that competed

at the NCHA Western Nationals in Ogden, Utah. Further investigation is

underway. Six additional horses exposed are showing clinical signs of EHV-1.

Horses in four counties (Boulder, Larimer, Mesa and Weld) are under

hold/quarantine orders and being investigated for disease.

Colorado State University’s Veterinary Teaching Hospital is now restricting

non-emergency equine and camelid patients as a precaution to prevent

exposing the facility to EHV-1.

Connecticut- No exposed or diseased horses have been traced to Connecticut

at this time.

Delaware- No horses from Delaware have been exposed at this time.

Florida- No exposed or diseased horses have been traced to Florida at this

time.

Georgia- There are no known exposed or positive animals in Georgia.

Idaho- In Idaho, two horses that were in attendance at the Ogden, Utah event

have died. Five other horses are currently under veterinary care. Laboratory

confirmation of EHV-1 is pending. At least 26 Idaho horses were entered in

the event.

Illinois- Illinois had two owners and two horses participate at the Utah

event. One horse returned to Illinois on 5/8. It is under current

observation and is clinically normal. The second horse is currently stabled

out of state, is under current observation, and is clinically normal.

Kentucky- Information/recommendations we are making available to the public

can be found on our web page at www.kyagr.com/statevet/equine/index.htm.

Kentucky has no horses reported to be exposed to the outbreak.

Louisiana- Louisiana had one owner with three horses that attended the

Western Nationals. All horses are isolated and under a veterinarian’s

observation since Saturday, May 14. There are asymptomatic as of now.

Maine- The state of Maine did not have any horses that attended the Utah

event.

Maryland- Maryland does not have any horses listed as having attended the

Utah event. There are no EHV-1 investigations, links or events in Maryland

at this time.

Michigan- There are no known exposed horses in Michigan.

Missouri- “Missouri only had one horse that attended the Utah event. It is

now isolated and is being temped twice a day.”- Taylor Woods, Missouri State

Veterinarian

Montana- Sixteen horse owners and 30-35 horses from Montana attended the

Utah event, but no cases of the disease have been reported in the state, per

a Montana Dept. of Livestock press release.

Nebraska- We have five owners and five horses involved. All quarantined as

of 10:30 am CST today. No symptoms yet and temping twice a day. Two of them

exhibited at a local cutting show in Kearney, Nebraska, four days after

attending Utah event.

Nevada- Thirteen horses attended the NCHA Western National Championship.

Nevada has provided information to all owners that attended the Utah event

and advised them to monitor horse temperatures and to practice quality

bio-security measures. We have not detected the disease within our state,

yet. No additional movement requirements have been established due to the

current situation.

New Jersey- A horse farm in Colts Neck, Monmouth County was quarantined

after six horses contracted EHV-1 in early April, before the Utah event. The

quarantined has since been lifted.

New York- “At this time there are no known exposed horses in New York. We

advise all animal owners to be extremely cautious when returning from fairs

and other competitions. Returning livestock should always be isolated from

the rest of the herd for three weeks whenever possible.”- David Smith- NYS

Dept. of Agriculture and Markets

North Carolina- No horses from North Carolina have been exposed at this time

according to a call from COSDA this afternoon.

North Dakota- North Dakota has two horses listed that attended the Utah

event, but they are both under the same owner’s name. The owner has been

contacted and we are in the process of establishing the location of the

horses.

Ohio- There are no known horses that were exposed in Ohio.

Oklahoma- The Breeder’s Invitational, May 14-28 in Tulsa, OK has been

cancelled, along with the NCHA event, the Mercuria/NCHA World Series of

Cutting.

Pennsylvania- Pennsylvania has no known horses exposed at this time.

Rhode Island- There have been no reported exposed horses in Rhode Island at

this time.

South Carolina- There are no known exposed or positive horses in South

Carolina.

South Dakota- “Two owners and four horses that attended the event. No fevers

or symptoms noted. Temped twice daily, under unofficial isolation and

instruction to call if symptoms are noted”- Dustin Oedekoven, South Dakota

State Veterinarian

Texas- “Texas Animal Health Commission veterinarians attempted to contact

all 27 horse owners over the weekend that we believe attended the Utah

event. They were advised to isolate the potentially exposed horses if

possible, and contact their vet or TAHC is they had any animals become

clinically ill. So far we have found no horses with clinical signs and no

confirmed cases in Texas. I believe there were only a couple that we have

not been able to contact yet, so that is good news from Texas for now.”- Dee

Ellis, Texas State Veterinarian

The District of Columbia- The District of Columbia has no known exposed

horses at this time.

Utah- “Utah, at this time, has no confirmed cases, but we are following up

on several suspect cases, (horses with clinical signs consistent with EHV-1

and who attended the event.) There have been no travel restrictions put in

place as of date. There may be cancellations of equine events in the state.

Horse owners should call the event organizers for the latest status of the

event.”- Wyatt Frampton, Utah State Veterinarian

-Last night, the Western Regional Zone 2 Show and Utah Paint Horse Club

Paint-O-Rama, scheduled for May 26-31 in South Jordan has been cancelled.

-The No Bling/All Novice Show at the Golden Spike Event Center in Ogden,

Utah, May 14-15 has been cancelled.

Virginia- There are no known exposed horses in Virginia.

Washington State- Washington has 34 horses that were entered in the NCHA

Western Nationals in Ogden Utah. One horse that attended tested positive by

PCR nasal swab after a temperature rise. Two horses that attended are

showing neurological signs and we are waiting the test results. WSDA is

sending information to all owners that attended and advising stop movement

and isolation.

According to the Washington State University website: There are no horses

exhibiting signs of EHV-1 at WSU, however they will not be admitting any new

equine or camelid patients to the WSU Veterinary Teaching Hospital, except

for critical emergencies, because a horse was admitted recently that has

since been found positive for EHV-1.

West Virginia- There are no known exposed horses in West Virginia.

Wyoming- Wyoming has nine owners and an uncertain number of horses, (some

were shown in Utah, some were on the show premises, but not shown.) All have

been notified and are under an unofficial hold order. They are isolated away

from other horses. One is a febrile, [has a fever], but asymptomatic horse.

And from another post:

Does anyone have any more info on transmission? I was shocked when I read

(below) that the virus could be viable for several weeks in the environment

once shed!?

This section is from a fact sheet from The American Association of Equine

Practitioners

http://www.aaep.org/pdfs/control_guidelines/Equine%20Herpes%20Virus.pdf

Transmission

Aerosol transmission (most common route)

Inhalation of droplets from coughing and snorting.

Note: EHV is not as easily spread by this route as is Equine Influenza

virus.

Mares who have aborted, or whose foals have died, transmit infection via the

respiratory route.

Shedding by the respiratory route typically lasts for 7-10 days, but can

persist much longer. Therefore a 28-day isolation period is recommended

after diagnosis. Indirect transmission

Virus can be viable for several weeks in the environment once it has been

shed by the horse.

Fomites are a significant factor in EHV contagion as compared to influenza

virus.

Aborted fetuses, fetal membranes and/or fluids are significant sources of

infection.

Infected foals are highly contagious and can transmit infection to other

horses via the respiratory route and by shedding virus into the environment.

..
 
Thank you Blue Star. This is the kind of FACTUAL information that allows us all to make informed decisions based on our individual locations, circumstances, etc.
 
Interesting to see that our state, which has confirmed cases and at least one fatality, has no statement or information that I could find from our state vet's office. I heard from my own vet immediately and it seems that different clinics here are taking it upon themselves to contact all their clients and spread the word... what's up with our state office?
 
I know some, possibly many, have an aversion to FHOTD and I fully understand why, but the blog is running an information service on just this today, and the info looks sound, so people might want to take a look...

http://fuglyblog.com/

(Mods- I am not aware of any ban on linking to this blog, but if there is one, please remove my post for me?)
 
That link, as well as most of the others posted, also states that vaccines have some positive effect in preventing the spread of the disease. Don't discount the protection they offer. Its not perfect but its better than nothing.
 
I was curious to see if donkeys were able to get EHV-1. Everything I read said no. I found a research journal that confirmed this: http://www.jstage.jst.go.jp/article/jes/11/2/11_29/_article/-char/en

Just thought this was interesting, makes me wonder about mules.

While I'm not in a panic about this it definitely is a high concern of mine and I know my horses will be staying put all summer long (longer if necessary). Sure we may face new outbreaks every year and this might not be a big deal to some people but I know I want to take every precaution to not let this spread or even give it much a chance to mutate.
 
BLUE STAR- Excellent post! Thank you for sharing.

In regards to many of us "panicking" I decided to look up the definition of panic to see what it means and here it is:

pan·ic1

[pan-ik] Show IPA

noun, adjective, verb, -icked, -ick·ing.

–noun

1.

a sudden overwhelming fear, with or without cause, that produces hysterical or irrational behavior, and that often spreads quickly through a group of persons or animals.

Is it just me or is being informed and taking a few extra precautions (such as staying home form an event or horse show for 3-4 weeks) "hysterical or irrational behavior"?
new_shocked.gif


I love that people post what they hear on here. Then it is up to you as an individual, to take what you want from it. There is a lot of information and opinions out and there. The one thing all these opinions say is that if you want to be safe, then stay home for awhile. While I do agree that the current out-break of the virus seems isolated in the cutting horses that were exposed in Ogden, I have heard rumors that other breeds that were exposed to the cutting horses in one shape or another are now affected. We will be hearing more as the week closes.

As far as vaccinating or giving your horse a booster- now that is a very controversial matter! People saying to booster are clearly giving their opinion and not scientific evidence. In the research I have seen it is about a 50/50 split in opinion as to whether to booster in the face of an outbreak. There is rising evidence that by doing so, that if your horse is exposed to the virus soon after, that the chances are higher that your horse will develop the neurological form of EHV-1. Other vets swear by certain brands of EHV-1 vaccines and that they will help protect your horse or reduce shedding of the virus if your horse does get it. I say if you are concerned, talk to your own veterinarian or two and then make a decision that you are comfortable with. Sometimes I think veterinarians have "stock" in certain vaccines or meds and they push them. Again, that is just my opinion.
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In closing, I will say that ONE horse came to an Ogden Cutting Horse Show that was affected with EHV-1. In that ONE show, many horses were exposed and are now affected with EHV-1. From that ONE horse who was infected, several have died due to the neurological form of EHV-1. Those many affected horses traveled from Ogden to their respective homes or to the next show. On their way home, many of those horses laid over at other facilities. Then "other" horses that were not cutters came in to those same facilities or are stall neighbors to horses that are just now running a fever and were not quarantined because the people did not want to "panic" about the threat of EHV-1. Then Sally and her horse came in for a lesson and her horse was tied to the rail that recent fever runner was just tied at and now Sally's horse goes back home to her 5 other pasture mates and 5 days later, Sally's horse is off her feed and is discovered to have a fever and flu like symptoms. AND.... the cycle continues...., But heck we are all panicking and freaking out.
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They just issued a caution on the noon news about EHV-1. The warning came from our State vet in Las Vegas.
 
Ha ha sandy u crack me up. We must get together sometime. Erin thank you for posting, I would take anything u say on this subject over anything published on paper or in the news seeing how u are the one in the dungeon testing all these subjects looking for a cure, prevention, vaccine.
 
I just want to say, I appreciate everyones posts and updates. I check many sources for any new info. Knowledge is comforting. Not knowing can be very stressful. The longer we go with no new cases being reported, the sooner this will be over. We on here are from all over and are interested in any cases cropping up from anywhere, so to me, everyone who posts has something to offer. Thank all of you.
 
NORCAL miniature horse club has canceled the show in Red Bluff in June.
Hi Sheila,

Has this show cancellation been confirmed. I want to make sure before I pass this along to the people up here that it will affect.
 
***Attention Norcal Members***

Due to the recent outbreak of Rhino EHV-1 (Equine Herpesvirus), the board has decided to cancel the June 18th and 19th Show in Red Bluff. If you have any questions regarding this or any future shows, please contact Teressa Cornell at [email protected] or 916-847-6464.

Missi Kovach

530-906-3393

[email protected]

Norcal Secretary

This is the email I got today It was also addressed to all of the current members. I just looked and the don't have it posted to their web site which they should so the non members will be informed also.
 
California has 2 more confirmed cases. This brings the total in California to 12. All affected horses attened the Utah show.
 
I was handed an update from the NDOA yesterday afternoon when I went to pay my annual "dues" to have horses in Nevada. And I was emailed an update from the report Blue Stars posted

Idaho - 6 cases confirmed now on horses that attended the Ogden, Utah Cutting event.

Oregon - They are currently keeping an eye on 18 horses that attended the Utah event.

Nevada - 1unconfirmed case unfortunately right here from a horse that had attended the Utah event and was at the Expo last They are awaiting test results. Saturday where we were with the minis. Thank goodness my vet warned me to watch and be aware.

They also stated under the right conditions the virus can survive up to 30 days, which is very good information to keep in mind.

I'm not awake yet, so hope you can make out the Nevada update.
 
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Well, AZ just confirmed last night that there is A case here (though we have heard more unofficially)
 
Keep the info coming- very helpful.

My vet's office called this am and told me to turn around and go back home- no horses for routine --- just ER.
 

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