Abstract:
:Twenty-two strains of influenza A virus isolated from caged birds which had been imported into Japan from India and Thailand and had died druing transportation to Tokyo. Serological tests divided these strains into two groups. Viruses in the first group contained Hav7 hemagglutinin and were related antigenically to A/duck/Ukraine/1/63 [Hav7 Neq2]; viruses in the second group contained Hav4 hemagglutining and were related to A/duck/Czech/56 [Hav 4 Nav 1]. All strains contained Neq2 neuraminidase that was closely related to that fo A/equine/Miami/1/63[Heq2 Neq2] and A/duck/Ukraine/1/63[Hav7 Neq2]. It was concluded that the strains in the first group were Hav7 Naq2 and those in the second group were Hav4 Neq2; both group of viruses showed antigenic drift from the prototype strains.
journal_name
Arch Viroljournal_title
Archives of virologyauthors
Nerome K,Nakayama M,Ishida M,Fukumi H,Butterfield WK,Webster RG,Campbell CHdoi
10.1007/BF01315090subject
Has Abstractpub_date
1978-01-01 00:00:00pages
261-70issue
3eissn
0304-8608issn
1432-8798journal_volume
57pub_type
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