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Background: Salmonella enterica subsp. enterica serovar Ruiru (antigenic formula 21:y:e,n,x) is a serovar of the O:21 (L) serogroup. This is a very rare serovar, with only two reported cases during the last then years in the US.
NCBI P PD link for serovar Ruiru https://www.ncbi.nlm.nih.gov/pathogens/isolates/#(taxgroup_name:%22Salmonella%20enterica%22)%20AND%20computed_types:(%22serotype=Ruiru%22)
Animal reservoir: There is not no current evidence that indicates the animal reservoir for S. Ruiru.
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Outbreaks: There is only one description of an outbreak in sheep associated with S. Kuiru Ruiru, the outbreak was reported in 1964, where it caused abortion in ewes.
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