| astrovirus | A genus of small, circular RNA viruses in the family astroviridae. They cause gastroenteritis and are found in the stools of several vertebrates including humans. Transmission is by the faecal-oral route. There are at least seven human serotypes and the type species is human astrovirus 1. (12 Dec 1998) |
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| astroviruses | <virology> Spherical viruses with 5 or 6 pointed star shaped surface pattern. May be associated with enteritis in various vertebrates. (18 Nov 1997) |