1887

Abstract

Summary

The neuraminidase (E.C. 3.2.1.18) of A///69 is related antigenically to the neuraminidases of A///65 and A///66 avian influenza viruses, and to an A 2/1957 human influenza virus.

The neuraminidase of A///70 is related antigenically to the neuraminidases of A/ and virus ‘N’ (isolated before 1930 and in 1949 respectively), thus demonstrating the recurrence of a neuraminidase antigen in avian influenza A viruses over a period of at least 40 years.

The haemagglutinins of A///69 and A///70 did not cross-react specifically with each other, or with viruses representing four known avian influenza A haemagglutinin prototypes.

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/content/journal/jgv/10.1099/0022-1317-13-1-95
1971-10-01
2019-11-15
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http://instance.metastore.ingenta.com/content/journal/jgv/10.1099/0022-1317-13-1-95
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