this work was financially supported by the swedish research council ( vr ) , the swedish research council formas and the medical faculty at uppsala university .
a novel salmonella serovar was isolated from peregrine falcon ( falco peregrinus ) nestlings in northern sweden in 2006 . 
 three isolates of the same clone was retrieved from three falcon siblings and characterized as salmonella enterica sub - species enterica : o - phase 13 , 23:- : e , n , z 15 and the h - phase was not present . 
 we propose the geographical name salmonella enterica , sub - species enterica serovar pajala to this novel salmonella .