Phylogenetically, human-associated coronavirus was not related to any other known variation of coronavirus or
torovirus. Peiris et al.
Viral pathogens isolated from the feces of patients with gastrointestinal infections are mostly RNA viruses including rotavirus, enteroviruses, astrovirus, calicivirus, hepatatis E virus, coronavirus and
torovirus, and certain serotypes of the enteric adenovirus (Zhang et al.
It sounds more like Haw's Syndrome, caused by a
torovirus. Symptoms include diarrhoea and the third eyelid problem you mention.
Coronaviridae are divided into two genera: Coronavirus and
Torovirus. Coronaviruses are further divided into three groups based on antigenic features as a result of the presence or absence of hemagglutinin-esterase protein and gene arrangement, which are summarized in Table 7-9.
Other viral etiologic agents included adenovirus (4%),
torovirus (3%), Norwalk-like viruses (2%), and astrovirus and calcivirus (less than 1%), said Dr.
Antibodies to the Breda strain of toroviruses were not present, however, in 100 human sera from Britain, and the
torovirus' importance as a cause of human disease is unknown (60).