Norwalk virus.

Norwalk virus or Noravirus. Artwork showing the caspsid structure of a Norwalk virus particle. Single positive-sense RNA genome (ribonucleic acid) being encapsulated in a ichosaedral protein capsid. In Red pentons and in dark hexons. The virus causes vomiting, diarrhoea and stomach pains and is transmitted by contaminated food and water. The particle size is between 35-39nm.

Norwalk virus or Noravirus. Artwork showing the caspsid structure of a Norwalk virus particle. Single positive-sense RNA genome (ribonucleic acid) being encapsulated in a ichosaedral protein capsid. In Red pentons and in dark hexons. The virus causes vomiting, diarrhoea and stomach pains and is transmitted by contaminated food and water. The capsid appears hexagonal-spherical and has icosahedral symmetry with a diameter of 35-39 nm.

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