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Rabies virus

Rabies Antibody Detection

Everything in one place: the disease, the vaccination, the FAVN antibody test and the import regulations, from a laboratory approved across the EU.
Antibody Testing

The FAVN test.

Fluorescent Antibody Virus Neutralisation, the reference method for rabies serology.

The detection of neutralizing antibodies in serum samples is not suitable for diagnosis or exclusion of a rabies virus infection. Nevertheless, by detection of neutralizing antibodies in the serum of vaccinated animals or humans the protective immunity against rabies can be determined. A titre of 0.5 IU/ml serum or higher is considered as indicator for protection against the disease.

< 0.03 Below the test limit
No detectable neutralizing antibodies.
0.03 – 0.5 No protection shown
Titers between the lower test limit (~0.03 IU/ml) and the internationally accepted limit of 0.5 IU/ml indicate a reaction to vaccination (positive result). However, no statement can be made about the protection against rabies with these titers.
≥ 0.5 Protective immunity
For entry, the titer of at least 0.5IU/ml must be reached.
Positive results below 0.5 IU/ml

In order to prevent misinterpretations in connection with "positive" findings below 0.5 IU/ml, the following text is inserted:

"Antibodies to rabies virus were detectable (positive). The measured antibody titer is below 0.5 IU/ml and therefore does not allow any conclusions to be drawn about the presence of protective immunity in the tested animal. An antibody titer of 0.5 IU/ml or higher after vaccination indicates protection against rabies according to WHO/WOAH guidelines."
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