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  • Title: Past and present vaccine development strategies for the control of foot-and-mouth disease.
    Author: Balamurugan V, Kumar RM, Suryanarayana VV.
    Journal: Acta Virol; 2004; 48(4):201-14. PubMed ID: 15745043.
    Abstract:
    Foot-and-mouth disease (FMD) virus (FMDV) was the first animal virus to be identified. Since then, it has become a model system in animal virology and more information has been obtained about FMDV. The disease causes heavy economic crises in enzootic countries both due to loss of animal health and productivity. The only way of its control in an enzootic area is strict vaccination and restricted animal movement. The first experimental vaccine against FMD was made in 1925 using formaldehyde inactivation of cattle tongue infected with the virus and this approach remained the basic one until late 1940s. Antigenic plurality and continuous co-circulation of different serotypes in a given geographical region and persistence of virus in infected or vaccinated animals make the disease very difficult to control. The latter is solely based upon the application of isolation, slaughter or aphtisation, and vaccination. With the advent of recombinant DNA technology, recombinant protein and/or DNA-based vaccines are being tested in various heterologous systems for development of FMD vaccines. The subunit vaccines, synthetic peptide vaccines, DNA vaccines, cytokine-enhanced DNA vaccines, recombinant empty capsid vaccines, chimeric viral vaccines, genetically engineered attenuated vaccines, recombinant viral vector vaccines, self-replicating genetic vaccines and transgenic plants with expressed FMDV proteins represent the present vaccine development strategies for control of FMD.
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