Specificity of early protective responses induced by pseudomonas vaccines

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Abstract
SUMMARY: A single inoculation of pseudomonas vaccine protected mice against a 1 LD 100 challenge by nine different serotypes ofPseudomonas aeruginosa, 4 days after vaccination. Three inoculations of the same vaccine, given on consecutive days, protected mice for a longer time, against challenge by a wide range ofPs. aeruginosaserotypes, than the single inoculation of vaccine. The amount of vaccine inoculated only marginally influenced the non-specific response. F1 vaccines from eight serotypes ofPs. aeruginosaeach induced protection against a different range of serotypes.