Abstract
Summary
1. Many laboratory workers who inhaled aerosols of SM developed specific serum agglutinins. 2. Agglutinins for SM were found more often and in higher titer in the serums of those who had the most exposure to the organism. 3. Agglutinins for SM tended to persist in man for several months. 4. Rabbits injected intravenously with the flagellar antigen of SM rapidly produced an agglutinin titer of 1:2560 which gradually dropped to a steady level varying between 1:160 and 1:80. 5. One of 2 rabbits exposed to an aerosol of SM rapidly developed agglutinins to a titer of 1:320 which fell to 1:160 three days later and was still at this level 39 days after exposure.
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