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Virus Res. 2013 Apr;173(1):101-9. doi: 10.1016/j.virusres.2012.10.012. Epub 2012 Nov 14.

Antibody-mediated neutralization of African swine fever virus: myths and facts.

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Departamento de Biotecnología, INIA, Autovia A6 Km 7, 28040 Madrid, Spain.


Almost all viruses can be neutralized by antibodies. However, there is some controversy about antibody-mediated neutralization of African swine fever virus (ASFV) with sera from convalescent pigs and about the protective relevance of antibodies in experimentally vaccinated pigs. At present, there is no vaccine available for this highly lethal and economically relevant virus and all classical attempts to generate a vaccine have been unsuccessful. This failure has been attributed, in part, to what many authors describe as the absence of neutralizing antibodies. The findings of some studies clearly contradict the paradigm of the impossibility to neutralize ASFV by means of monoclonal or polyclonal antibodies. This review discusses scientific evidence of these types of antibodies in convalescent and experimentally immunized animals, the nature of their specificity, the neutralization-mediated mechanisms demonstrated, and the potential relevance of antibodies in protection.

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