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Conforming strategies of public health campaigns to disease specificity and national contexts: Rockefeller Foundation's early campaigns against hookworm and malaria in Brazil.

The early experience of Rockefeller Foundation in Brazil, starting in 1915, reflected the idea of extending learned experience in Southern US to a wide international context. Health education and the creation of permanent local health services were expressed as main guidelines for cooperation with State and federal Brazilian agencies. Translating to the shaping of public health models the terms of scientific hygiene associated with the pastorian revolution, RF pictured different actions as part of a three step rationale of survey, experiment and demonstrations. In this paper we focus on Lewis Hackett's campaign, designed as a demonstration campaign of the "intensive method" of hookworm control, with the final purpose of enlisting local agencies in long-term action (1919-1924) and the malaria campaign in Rio de Janeiro State Lowlands (1922-1928) led initially by Mark Boyd as an "experimental control work" of field observation, campaign, control and maintenance to set guidelines to malaria control in tropical areas. The course and ultimate results of these experiences showed the need to adapt formal models to complex national and State-building context and to disease specificity, leading to pragmatic adaptations in the issue of control and eradication and on the shaping of vertical and horizontal health services. The failure of these two experiences in terms of disease control helped to strengthen the move, predominant in the next two decades, to vertical campaigns with least dependency on local social and political dynamics, as in the exemplar case of Frederick Soper's Anopheles gambiae eradication campaign (1938-1942).