An electron microscopical investigation of small round viruses in non-bacterial gastroenteritis.
Small round viruses implied in non-bacterial gastroenteritis were observed by electron microscope in stool specimens collected from 1993 to 1996. The specimens relative to 1981 were re-examined. The identified viruses are astroviruses (n = 6), caliciviruses (n = 7), Norwalk-like viruses (n = 34) and Parvoviruses (n = 6). Immunoelectron microscopy (IEM) and solid-phase immunoelectron microscopy (SPIEM) were used in order to verify serological differences existing among Norwalk-like viruses from different outbreaks. The results obtained suggest a possible circulation, in Liguria, of two serotypes of antigenically different viruses in the period considered.
Sigari
G
G
Institute of Hygiene and Preventive Medicine, University of Genova.
Losi
E
E
Cuneo Crovari
P
P
D017250:Caliciviridae Infections / Q000473:pathology / Q000821:virology*; D005243:Feces / Q000821:virology; D005759:Gastroenteritis / Q000473:pathology / Q000821:virology*; D006801:Humans; D016253:Microscopy, Immunoelectron; D009663:Norwalk virus / Q000302:isolation & purification* / Q000648:ultrastructure*