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Background: Salmonella enterica subsp. enterica serovar Lomalinda (antigenic formula 1,9,12:a:e,n,x) is a serovar of the O:9 (D₁) serogroup. This serovar was first isolated from the
spinal the spinal fluid of a baby that died of meningitis in 1944 in Loma Linda, California, US. 

NCBI PD Serovar Link for serovar Lomalinda: https://www.ncbi.nlm.nih.gov/pathogens/isolates/#(taxgroup_name:%22Salmonella%20enterica%22)%20AND%20computed_types:(%22serotype=Lomalinda%22)

Genetic characteristics: Serovar Lomalinda has been found to be polyphyletic with two lineages identified. Stanley et al. reported the presence of virulence plasmids carrying spvBC in serovar Lomalinda.

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1. https://doi.org/10.3181/00379727-57-14714
2. https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2025.1547190/full#h10
3. https://www.microbiologyresearch.org/content/journal/jmm/10.1099/00222615-41-2-112
4. https://outbreakdatabase.com/outbreaks/2021-multistate-outbreak-of-salmonella-lomalinda-infections-source-unknown
5. https://www.foodsafetynews.com/2013/11/7-sick-in-california-salmonella-outbreak/