SARS Coronavirus Morphology
The morphology of the SARS coronavirus is characteristic of the coronavirus family as a whole. These viruses have large pleomorphic spherical particles with bulbous surface projections that form a corona around particles. The envelop of the virus contains lipid and appears to consist of a distinct pair of electron dense shells.
The internal component of the shell is a single-stranded helical ribonucleoprotein. There are also long surface projections that protrude from the lipid envelop. The size of these particles are about 80–90 nm.
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