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Experimental Immunity in Syphilis and Yaws
Summary
- 1.Epidemiological data suggest that yaws protects against syphilis.
- 2.The recent demonstration of a true immunity in syphilis throws new light on this question.
- 3.Experimentally, a partial immunity against syphilis can be demonstrated in rabbits which have been infected a long time with yaws and cured by arsphenamine.
- 4.The subject of strains must be taken in account, both in yaws and syphilis.