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Wiki Markup*{+}Background:+* _Salmonella enterica_ subsp. _enterica_ serovar Brandenburg (antigenic formula 4,\[5\],12:l,v:e,n,z{~}15~₁₅) is a serovar of the O:4 (B) serogroup. In New Zealand, in 1996 _S._ Brandenburg emerged in the sheep populations population and caused a number of outbreaks. During these [outbreaks|http://www.stuff.co.nz/business/farming/sheep/9090477/Bacterial-outbreak-killing-South-Island-sheep] in sheep, _S._ Brandenburg has caused abortion in pregnant ewes and has killed approx. the half of infected ewes. In addition, outbreaks in cattle have also been reported in New Zealand. It is considered an occupational [hazard|http://www.business.otago.ac.nz/sirc/conferences/2001/17_higgan.pdf], because farmers can acquire the disease by contact with infected animals.

Animal reservoir: Serovar Brandenburg is found in different animal species (turkey, cattle, and sheep). However, in New Zealand, it is predominantly found in ruminants (sheep mostly).

Geographical distribution: Serovar Brandenburg is reported among the 15^th most common serovars in Europe, and it is endemic in ruminants (sheep and cattle) in New Zealand.

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