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May 1, 1926


JAMA. 1926;86(18):1376-1377. doi:10.1001/jama.1926.02670440050023

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Llama Syphilis Serum  In previous letters, reference has been made to the claims of Drs. Lancellotti and Jauregui as to the discovery of a curative serum for syphilis. The lay press exploited the matter and even announced it as a national achievement. Only a few weeks ago, pictures appeared in the newspapers of the 100 llama herd imported for the preparation of serum. The medical societies, however, could get no definite information on these studies. Drs. Lancellotti and Jauregui asked Dr. Chabroux to verify the effectiveness of their serum. Dr. Chabroux has now published in La Semana Médica his first report. Lancellotti and Jauregui stated that the serum from immunized llama rendered a negative Wassermann test. The serum placed in Chabroux' hands showed a positive test. Lancellotti and Jauregui claimed that they had secured splendid results within from six to twelve days in confluent patches and ulcerated papules, after previous

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