Any detectives?? Need some vaccine help! - The Horse Forum
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post #1 of 8 Old 05-27-2013, 12:47 AM Thread Starter
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Any detectives?? Need some vaccine help!

Ok just wondering if anyone can make any sense of what a friend of mine told me. She did her horses WNV vaccines last week. She ordered the vaccine and adminstered herself. Two of her horses had SEVERE reactions including colic, going down, terrible diarrhea, sweating etc. It was touch and go for a bot but they did pull thru. The vet asked her straight away to check her vaccine vials and see if they had (and here is where I need a detective) an particular ingredient in them. All she can remember of the coversation is that it started with a "B". She said at the time she checked and hers did have the ingredient and the vet told her in his practice he will not use this particular WNV vaccine as close to 50% of horses will have a reaction to it He said they use another type. So I am just wondering if anyone might be aware of what he was talking about or had any other info to add? I am planning on calling this vet to ask when they are open on Tuesday as my horses are scheduled with my vet next weekend and I would like to have some info on what he was referring to but if anyone can shed some light please do. Also, my other question concerning WNV is how many vaccinate for this TWO times per year? Thanks!
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post #2 of 8 Old 05-27-2013, 09:40 AM
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Wow, that's horrible!

I vaccinated for WNV myself this year and my vet did it in previous years and my horses have never had a reaction to it. (My one gelding always gets a little swollen and sore from his 4-way but we attribute that to the tetanus part of the vaccine.)

This is what I gave this year to our 3 horses and didn't have a issue with it:

West Nile Innovator + VEWT (W. Nile + 3-way S.Sickness + Tet) Pfizer (Vaccines - West Nile Virus)

As a matter of fact I saved the info so I could order the same vaccine next year. I think the Venezuelan part is probably unnecessary though. I addition I also gave rabies vaccine this year for the first time. No reactions to that either.

I remember when the WNV vaccine first came out I heard rumors of horses dying from it (one belonged to someone I knew so I know it wasn't all just rumor) and it really scared me to give it, but my vet said WNV was in the area so we started giving it and have never had an issue thank goodness.

PS. I only vaccinate once a year. The info on the vaccine says to give annually after they had the first booster series. But we don't have a year-round mesquito problem either.

There's a lot of stupid out there!

Last edited by trailhorserider; 05-27-2013 at 09:45 AM.
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post #3 of 8 Old 05-27-2013, 09:51 AM
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I also did the same one trailhorserider gave to hers. So for no reactions. They just got theirs yesterday. I did mine on my own as well. I was supposed to give it earlier but one had a bad reaction to ticks so we had to wait till his immune system was back to normal.
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post #4 of 8 Old 05-27-2013, 10:12 AM
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Google " side effects to WNV vaccine in horses" . Then ask your vet.
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post #5 of 8 Old 05-27-2013, 11:25 AM
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The only people I've heard of that give WNV vaccine twice a year have mosquitoes all year.

Learning never stops
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post #6 of 8 Old 05-27-2013, 11:56 AM
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My mare had a real bad reaction to westnile vaccine 6 years ago almost lost her she ended up at vet clinic for 5 days. I didn't vaccinate for westnile after that scared the crap outta me.

Did vaccinate for it this year and no problems was the pfizer brand don't recall which one caused the problem.
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Last edited by spirit88; 05-27-2013 at 11:58 AM.
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post #7 of 8 Old 05-27-2013, 02:31 PM Thread Starter
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Ok thanks all...I appreciate all the info. I will be asking the vet FOR SURE but like to get an array of experience and info :) Sounds like the Pfizer brand has been ok for some of you. I will ask for the brand info and call her vet as well to see what it is he does not give. I will update here. I have always done WNV every six months and I live in Northern California but I am starting to think it might be unnecessary to do more than once a year.
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post #8 of 8 Old 05-28-2013, 12:06 AM
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Quote:
Originally Posted by mvinotime View Post
Ok thanks all...I appreciate all the info. I will be asking the vet FOR SURE but like to get an array of experience and info :) Sounds like the Pfizer brand has been ok for some of you. I will ask for the brand info and call her vet as well to see what it is he does not give. I will update here. I have always done WNV every six months and I live in Northern California but I am starting to think it might be unnecessary to do more than once a year.
WNV is only going to offer protection for about 4 months. If you give it before mosquitoes are a problem you might need to give a second booster to make it until the end of the season. If you waited until May, one shot should last you until early October when it should no longer be a problem. If my horse had such a violent reaction to the shot firstly, I would dig up the lot # and contact my vet and the state vet with that information. Unfortunately, because a non professional gave the shot, there is probably very little recourse for her as far as compensation. I would never use another Ft Dodge (now Pfizer) product again (and don't for similar reactions to their shots statewide about 8 years ago). What's the greater harm? The shot or the disease? Have you had any reported cases of WN around you? Horses are bite every day a million times by mosquitoes that could potentially be carrying the virus. They are going to have a decent buildup of antibodies just because. Do we still need to be vaccinating them? Something to think about.

There is also another brand of WN vaccination out there. Recombitex.
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