O.I. Kiselev

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Currently, three genotypes of hepatitis delta virus (HDV) are described. The most common, genotype I, has a worldwide distribution; in contrast, genotype II has been found previously only in Japan and Taiwan, while genotype III is found exclusively in South America. Considering the high prevalence of HDV in Northern Siberia (Russia), restriction fragment(More)
The conventional vaccines currently being used to deal with influenza are based on a virus obtained in chicken embryos or its components. The high variability of the major immunogenic surface proteins - hemagglutinin and neuraminidase-require the development of strain-specific vaccines that match the antigenic specificity of a newly emerging virus.(More)
This review covers the problems encountered in the construction and production of new recombinant influenza vaccines. New approaches to the development of influenza vaccines are investigated; they include reverse genetics methods, production of virus-like particles, and DNA- and viral vector-based vaccines. Such approaches as the delivery of foreign genes(More)
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