Linda M. Stannard
|flucolo3.gif : Linda M. Stannard, University of Cape Town |
Original location: http://www.uct.ac.za/depts/mmi/stannard/flucolo3.gif
Description: Virions are usually roughly spherical and about 200nm in diameter. The envelope contains rigid "spikes" of haemagglutinin and neuraminidase which form a characteristic halo of projections around negatively stained virus particles.
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