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1971•Journal of General VirologyRequires access

Antigenic Relationships in Avian Influenza A Viruses: Identification of Two Viruses Isolated from Turkeys in Great Britain during 1969-1970

Alan P. Kendal, C Madeley, W.H. Allan

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Abstract

SUMMARY The neuraminidase (E.C. 3.2.1.18) of A/turkey/england/69 is related antigenically to the neuraminidases of A/turkey/massachusetts/65 and A/turkey/england/66 avian influenza viruses, and to an A 2/1957 human influenza virus. The neuraminidase of A/turkey/scotland/70 is related antigenically to the neuraminidases of A/dutch 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/turkey/england/69 and A/turkey/scotland/70 did not cross-react specifically with each other, or with viruses representing four known avian influenza A haemagglutinin prototypes.

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SUMMARY The neuraminidase (E.C. 3.2.1.18) of A/turkey/england/69 is related antigenically to the neuraminidases of A/turkey/massachusetts/65 and A/turkey/england/66 avian influenza viruses, and to an A 2/1957 human influenza virus. The neuraminidase of A/turkey/scotland/70 is related antigenically to the neuraminidases of A/dutch 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/turkey/england/69 and A/turkey/scotland/70 did not cross-react specifically with each other, or with viruses representing four known avian influenza A haemagglutinin prototypes.

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Available abstract

SUMMARY The neuraminidase (E.C. 3.2.1.18) of A/turkey/england/69 is related antigenically to the neuraminidases of A/turkey/massachusetts/65 and A/turkey/england/66 avian influenza viruses, and to an A 2/1957 human influenza virus. The neuraminidase of A/turkey/scotland/70 is related antigenically to the neuraminidases of A/dutch 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/turkey/england/69 and A/turkey/scotland/70 did not cross-react specifically with each other, or with viruses representing four known avian influenza A haemagglutinin prototypes.

Key concepts: Neuraminidase, Virology, Influenza A virus subtype H5N1, H5N1 genetic structure, Biology, Virus, Antigenic shift, Antigenic drift

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Antigenic Relationships in Avian Influenza A Viruses: Identification of Two Viruses Isolated from Turkeys in Great Britain during 1969-1970 — Research Paper | ScholarLens