<prompt> All are toxin-antitoxin neutralization tests except:Schick testEleks gel precipitation testNeil Mooser reactionNaeglers test  <response>: Ans. B. Eleks gel precipitation testNeil Mooser reaction is done in guinea pigs for Rickettsia rickettsiae Scrotal necrosis and tunica reaction Rickettsia conorii, Rickettsia akari and Rickettsia typhi 