Click on image for close-up.
Electron micrographs presented by
![]() | Department of Medical Microbiology University of Cape Town Cape Town, South Africa. |
"Virions are enveloped and enclose a helical nucleocapsid containing single-stranded RNA.
Most virions are roughly spherical (about 200nm in diameter) but they can be much larger and more pleomorphic. The virus envelope is a lipid bilayer, studded with virus encoded glycoproteins which have properties of haemagglutination and fusion (the F protein)."
Original WWW location of micrographs.
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