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*{+}Background:+* _Salmonella enterica_ subsp. _enterica_ serovar Agona (antigenic formula 1,4,\[5\],12:f,g,s:\[1,2\]) is a serovar of the O:4 (B) serogroup. _S._ Agona is among the 15{^}th^ most common serovars in humans the U.S., and the 4{^}th^ most common serovar in clinical non-humanshuman sources. This serovar was first isolated from cattle in Ghana in 1952, since then numerous [outbreaks|http://www.cdc.gov/salmonella/agona-papayas/index.html] in the U.S. and [Europe|http://www.ncbi.nlm.nih.gov/pubmed/20950515] have occurred. Multi Locus Sequence Typing (MLST) has identified only four Sequence Types, indicating that this serovar is monomorphicsequence types. Genome sequencing of 72 strains from multiple countries and sources was recently conductedreported by [Zhou et al., 2013|http://www.plosgenetics.org/article/info%3Adoi%2F10.1371%2Fjournal.pgen.1003471]. |
Animal reservoir: different animal species, including turkey, swine and cattle.
Geographical distribution: serovar Agona is among the most common serovars in the North and South America, Europe, and Asia (in . In China, it is among the 10th most common )serovars.
Outbreaks: Outbreaks linked to Salmonella Agona have been associated with different foods, including cereal, meat and fruits.
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