Studies on relationships between human and porcine influenza
Identifieur interne : 002C65 ( Main/Exploration ); précédent : 002C64; suivant : 002C66Studies on relationships between human and porcine influenza
Auteurs : G. C. Schild ; C. M. Brand ; J. W. Harkness ; P. H. LamontSource :
- Bulletin of the World Health Organization [ 0042-9686 ] ; 1972.
Abstract
Antigenic comparisons were made between the human A/Hong Kong/68 (H3N2) virus and a collection of influenza A viruses of swine origin. Haemagglutination-inhibition and neuraminidase-inhibition tests were used in addition to immunoprecipitin tests with monospecific antisera prepared against purified haemagglutinin and neuraminidase preparations. The antigenic relationships revealed by the studies are summarized as follows: (1) swine/Taiwan/7310/70 virus contained envelope antigens that were antigenically indistinguishable from those of A/Hong Kong/68 virus, (2) “classical” strains of swine influenzavirus related to A/swine/Iowa/15/30 (Hsw1N1) isolated between 1930 and 1967 contained neuraminidase that was antigenically distinct from that of A/Hong Kong/68 virus but related to that of human A0 and A1 viruses, and (3) the haemagglutinins of certain strains of “classical” influenza A virus appeared to show a minor antigenic relationship with the haemagglutinin of A/Hong Kong/68 virus. Immunoprecipitin tests suggested that this relationship was confined to only one of the two antigenic components of the haemagglutinin subunit. The antigenic relationships are discussed in respect of possible epidemiological relationships between human and swine influenza A viruses. It is proposed that the swine/Taiwan isolates be designated A/swine/Taiwan/70 (H3N2), indicating their antigenic identity with the human A/Hong Kong/1/68 virus.
Url:
PubMed: 4538533
PubMed Central: 2480869
Affiliations:
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C." last="Schild">G. C. Schild</name></author><author><name sortKey="Brand, C M" sort="Brand, C M" uniqKey="Brand C" first="C. M." last="Brand">C. M. Brand</name></author><author><name sortKey="Harkness, J W" sort="Harkness, J W" uniqKey="Harkness J" first="J. W." last="Harkness">J. W. Harkness</name></author><author><name sortKey="Lamont, P H" sort="Lamont, P H" uniqKey="Lamont P" first="P. H." last="Lamont">P. H. Lamont</name></author></analytic><series><title level="j">Bulletin of the World Health Organization</title><idno type="ISSN">0042-9686</idno><imprint><date when="1972">1972</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Antigenic comparisons were made between the human A/Hong Kong/68 (H3N2) virus and a collection of influenza A viruses of swine origin. Haemagglutination-inhibition and neuraminidase-inhibition tests were used in addition to immunoprecipitin tests with monospecific antisera prepared against purified haemagglutinin and neuraminidase preparations. The antigenic relationships revealed by the studies are summarized as follows: (1) swine/Taiwan/7310/70 virus contained envelope antigens that were antigenically indistinguishable from those of A/Hong Kong/68 virus, (2) “classical” strains of swine influenzavirus related to A/swine/Iowa/15/30 (Hsw1N1) isolated between 1930 and 1967 contained neuraminidase that was antigenically distinct from that of A/Hong Kong/68 virus but related to that of human A0 and A1 viruses, and (3) the haemagglutinins of certain strains of “classical” influenza A virus appeared to show a minor antigenic relationship with the haemagglutinin of A/Hong Kong/68 virus. Immunoprecipitin tests suggested that this relationship was confined to only one of the two antigenic components of the haemagglutinin subunit. The antigenic relationships are discussed in respect of possible epidemiological relationships between human and swine influenza A viruses. It is proposed that the swine/Taiwan isolates be designated A/swine/Taiwan/70 (H3N2), indicating their antigenic identity with the human A/Hong Kong/1/68 virus.</p><sec sec-type="scanned-figures"><title>Images</title><fig id="F1"><label>Fig. 1</label><graphic xlink:href="bullwho00193-0043-a" xlink:role="725"></graphic></fig><fig id="F2"><label>Fig. 2</label><graphic xlink:href="bullwho00193-0043-b" xlink:role="725"></graphic></fig><fig id="F3"><label>Fig. 3</label><graphic xlink:href="bullwho00193-0044-a" xlink:role="726"></graphic></fig></sec></div></front></TEI><affiliations><list></list><tree><noCountry><name sortKey="Brand, C M" sort="Brand, C M" uniqKey="Brand C" first="C. M." last="Brand">C. M. Brand</name><name sortKey="Harkness, J W" sort="Harkness, J W" uniqKey="Harkness J" first="J. W." last="Harkness">J. W. Harkness</name><name sortKey="Lamont, P H" sort="Lamont, P H" uniqKey="Lamont P" first="P. H." last="Lamont">P. H. Lamont</name><name sortKey="Schild, G C" sort="Schild, G C" uniqKey="Schild G" first="G. C." last="Schild">G. C. Schild</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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