Las rickettsiasis en Guatemala
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With the results of more than a thousand complement fixation tests in which epidemic and murine antigens prepared by the Army Medical School of Washington were used, and with due control of the tests, it may be inferred that typhus in Guatemala is of the epidemic type in more than 95 per cent of the cases and in the remainder murine or endemic. Constant and significant agglutinations were obtained only with Proteus OX19. OX2 and OXL strains do not agglutinate with the sera of the abovementioned cases. No cross-agglutinations have ever been obtained with brucellas. A positive complement fixation test was found in one case with a history of typhus 35 years before. For any investigations of rickettsial infection, it seems essential to combine use of the Weil-Felix and the complement fixation tests. The development of both reactions is almost simultaneous during the first week in which the symptoms appear. Several tables and one map are included to show the distribution, incidence and mortality of typhus in Guatemala in 1934-1944(AU)
Rickettsiasis in Guatemala
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Welch, Henry; Bengtson, Ida A (1946)On the occasion of the first Inter-American Typhus Meeting held in Mexico on October 1945, the Pan American Typhus Commission discussed the methods for the diagnosis of typhus and advised that a preliminary test should be ...
Presenca de inibidor específico de fixação de complemento : Em antígenos preparados de trypanosoma cruzi Oliveira de Almeida, José; Prata, Aluízio; Corredor Arjona, Augusto; Arantes, João Batista (1969)Tritation performed by the quantitative complement fixation method on sera from parasitologically confirmed Chagas' disease eases using an aqueous of a methylic extract of Tripanosoma cruzi as antigen, revealed a marked ...
Tay, Jorge; Salazar Schettino, Paz María; Ontiveros, Alfonso; Jiménez, Jesus; Haro Arteaga, Irene de; García Yanez, Yolanda; Gutiérrez Quiroz, Manuel (1987)A survey was made of residents and hospital patients in Miahuatlan, Oaxaca, Mexico, for cases of Chagas'disease. This survey focused primarily upon 85 patients attending the local hospital who had clinical pictures suggesting ...