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Percentage weight gain or loss in guinea pigs exposed to an aerosol of different strains of Legionella longbeachae serogroup 1. (A) Animals exposed to a dose of 109 L. longbeachae serogroup 1 A5H5 organisms; (B) animals exposed to a dose of 109 B8 organisms; (C) animals exposed to a dose of 1010 B8 organisms; (D) animals exposed to a dose of 109 B8.22 organisms. Guinea pig death is indicated by the termination of the ribbon graph prior to the end of the experiment on day 7.
