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*{+}Background:+* _Salmonella enterica_ subsp. _enterica_ serovar Dublin (antigenic formula 1,9,12\[Vi\]:g,p:--) is a serovar of the 0O:9 (D{~}1~) serogroup. _S._ Dublin is a serovar adapted to [cattle|http://curis.ku.dk/ws/files/13132130/Liza_Rosenbaum_Nielsen.pdf], which is the primary host, but it can also infect and cause disease in different hosts, including humans. In cattle, serovar_S._ Dublin causes acute and subclinical disease; symptoms of salmonellosis in cattle include: fever, diarrhea, abortions, and respiratory signs (especially in calves); in addition, it can cause abortion, and systemic disease. _S._ Dublin is a zoonosis that causes one of the highest rates of systemic disease among all non-typhoidal salmonellosis cases in humans. Recently, the Animal Health Diagnostic Center at Cornell University published an [animal health advisory|https://ahdc.vet.cornell.edu/docs/Salmonella_Dublin_in_Cattle_Health_Alert.pdf] that indicatingindicated thean increase in the isolation of multi-drugmultidrug resistant (resistant to most antibiotics)strains of _S._ Dublin in New York. Among ceftriaxone-resistant _Salmonella_ isolates reported by the National Antimicrobial Resistance Monitoring System (NARMS), _S._ Dublin represents the 40.8% and 2.9% of isolates from cattle and humans, respectively. |
Animal reservoir: This serovar is adapted to cattle Cattle is the reservoir of this serovar, but it can cause disease in other animals as well.
Geographical distribution: Serovar Dublin is globally distributedhas been reported in North America, South America, and Europe. In the US U.S., S. Dublin is the second most common Salmonella serovar among clinical non-human samples. Dairy associated cases are commonly reported in Europe, but in humans the reports include mostly sporadic casessources.
Outbreaks: Numerous outbreaks have occurred in cattle, thus making serovar Dublin an important economic concern in the bovine industry. In addition, an outbreak of S. Dublin was reported in Danish fur farms. However, limited are the reports of outbreaks associated with Salmonella Dublin in humans.
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