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==Vaccine Failure==

==Vaccine Failure==

Failures do occur and should be reported on the VMD [http://www.vmd.gov.uk/ 'yellow form' MLA252A]. Circumstances leading to vaccine failures include:

Failures do occur and should be reported on the VMD [http://www.vmd.gov.uk/ 'yellow form' MLA252A] if the events occur in the United Kingdom. Vaccine failures in other European Union (EU) Member States, Norway, Iceland and Liechtenstein should be reported to the relevant competent authority where the event occurred using the [http://www.ema.europa.eu/ema/index.jsp?curl=pages/regulation/document_listing/document_listing_000176.jsp&mid=WC0b01ac058002ddcb/ EU reporting forms for veterinarians] which are available in each EU language on the [http://www.ema.europa.eu/ European Medicines Agency] website. Circumstances leading to vaccine failures include:

*Recipient is already infected with the virus or is immunosuppressed and unable to mount an immune response.

*Recipient is already infected with the virus or is immunosuppressed and unable to mount an immune response.

[http://www.cabi.org/cabdirect/FullTextPDF/2007/20073166575.pdf '''Equine vaccines: what works, what doesn't?''' Lunn, D. P.; The North American Veterinary Conference, Gainesville, USA, Large animal. Proceedings of the North American Veterinary Conference, Volume 21, Orlando, Florida, USA, 2007, 2007, pp 138-140]

[http://www.cabi.org/cabdirect/FullTextPDF/2007/20073166575.pdf '''Equine vaccines: what works, what doesn't?''' Lunn, D. P.; The North American Veterinary Conference, Gainesville, USA, Large animal. Proceedings of the North American Veterinary Conference, Volume 21, Orlando, Florida, USA, 2007, 2007, pp 138-140]

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