Studies of the Incidence of T. Pallidum Immobilizing Antibody in Rabbit Immune Sera against Various Types of Micro-organisms and Viruses

False Positive Reactions in Treponemal Tests

“…(a) Production of Immobilizing Antibodies.-In a previous study by Nielsen and Metzger (1959), no immobilizing antibody was demonstrated in sera obtained from rabbits immunized against a variety of bacteria and viruses. In the present study all three goats injected with normal testicular homogenates produced immobilizing antibodies as measured by the TPI test approximately 3 to 4 weeks after the first injection.…”

Sensibilité et spécificité des tests tréponémiques – en particulier des tests d’immobilisation des tréponèmes et d’immuno-fluorescence

“…Le troisième travail que nous mentionnerons est celui de Nielsen et Metzger [30], qui ont examiné 539 sérums d 'anim aux (généralement de lapins) inoculés expéri m entalem ent avec des microorganismes et virus divers.…”