Multiple choice

The viruses having the ‘Star of David’ appearance are:

  1. calicivirus

  2. norwalk virus

  3. astrovirus

  4. torovirus

  5. cytomegalovirus
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A Correct answer
Explanation

Human calicivirus are non-enveloped, single stand, positive sense RNA viruses. They appear round in shape with icosahedral symmetry and contain a single capsid protein. The viral surface has 32 cup-shaped depressions described as the ‘Star of David’ appearance.

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