Article
[Isolation of a mutant of influenza virus A/PR8/34 (H1N1) and its properties].
Virologie - 1 Jan 2000
Herrmann B
Abstract excerpt
A mutant causing small plaques in chick embryo cells was isolated from influenza virus A/PR8/34 (H1N1). The diameter of the plaques remained constant over 39 passages. Virus titers in 8-11-day-old chick embryos were so low, that positive hemagglutination results could be recorded only in 35% of the inoculated eggs. There was no increase in virus titer after repeated passages in chick embryos. The sensitivity of...
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