Barroso, 492, Belém, PA, Brasil Pelo menos uma centena de diferentes tribos indígenas se distribuem na região amazônica, exibindo graus de aculturação diversos -em função dos primeiros contatos regulares estabelecidos com o homem urbano -e reunindo contingentes populacionais que variam desde algumas dezenas até milhares de integrantes. Embora já se denote uma expressiva interferên-
The current emergence and global dissemination of some new and resurgent infectious diseases have surpassed national frontiers, increasingly affecting developing and also developed countries. This study stresses that this outburst is affecting the predictability of dominant health transition approaches. This paper analyses, from epistemological and policy viewpoints, alternative approaches in order to confront these new global epidemiological trends.
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