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).