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In 2011 a new Investment Framework was proposed that described how the scale-up of key HIV interventions could dramatically reduce new HIV infections and AIDS-related deaths in low and middle income countries by 2015. This framework included ambitious coverage goals for prevention and treatment services for 2015, resulting in a reduction of new HIV infections by more than half, in line with the goals of the declaration of the UN High Level Meeting in June 2011. However, the approach suggested a leveling in the number of new infections at about 1 million annually - far from the UNAIDS goal of ending AIDS by 2030. In response, UNAIDS has developed the Fast-Track approach that is intended to provide a roadmap to the actions required to achieve this goal. The Fast-Track approach is predicated on a rapid scale-up of focused, effective prevention and treatment services over the next 5 years and then maintaining a high level of programme implementation until 2030. Fast-Track aims to reduce new infections and AIDS-related deaths by 90% from 2010 to 2030 and proposes a set of biomedical, behavioral and enabling intervention targets for 2020 and 2030 to achieve that goal, including the rapid scale-up initiative for antiretroviral treatment known as 90-90-90. Compared to a counterfactual scenario of constant coverage for all services at early-2015 levels, the Fast-Track approach would avert 18 million HIV infections and 11 million deaths from 2016 to 2030 globally. This paper describes the analysis that produced these targets and the estimated resources needed to achieve them in low- and middle-income countries. It indicates that it is possible to achieve these goals with a significant push to achieve rapid scale-up of key interventions between now and 2020. The annual resources required from all sources would rise to US$7.4Bn in low-income countries, US$8.2Bn in lower middle-income countries and US$10.5Bn in upper-middle-income-countries by 2020 before declining approximately 9% by 2030.

We present here a methodology for the rapid interpretation of aeromagnetic data in three dimensions. An estimation of the x, y and z coordinates of prismatic elements is obtained through the application of "Euler's Homogeneous equation" to the data. In this application, it is necessary to have only the total magnetic field and its derivatives. These components can be measured or calculated from the total field data. In the use of Euler's Homogeneous equation, the structural index, the coordinates of the corners of the prism and the depth to the top of the prism are unknown vectors. Inversion of the data by classical least-squares methods renders the problem ill-conditioned. However, the inverse problem can be stabilized by the introduction of both a priori information within the parameter vector together with a weighting matrix. The algorithm was tested with synthetic and real data in a low magnetic latitude region and the results were satisfactory. The applicability of the theorem and its ambiguity caused by the lack of information about the direction of total magnetization, inherent in all automatic methods, is also discussed. As an application, an area within the Solimões basin was chosen to test the method. Since 1977, the Solimões basin has become a center of exploration activity, motivated by the first discovery of gas bearing sandstones within the Monte Alegre formation. Since then, seismic investigations and drilling have been carried on in the region. A knowledge of basement structures is of great importance in the location of oil traps and understanding the tectonic history of this region. Through the application of this method a preliminary estimate of the areal distribution and depth of interbasement and sedimentary magnetic sources was obtained. Na elaboração deste trabalho, foi desenvolvida uma metodologia para interpretar dados aeromagnéticos de forma automática, visando uma rápida avaliação da distribuição de fontes, através de uma aplicação da “equação Homogênea de Euler”. Para o uso dessa equação é necessário apenas o campo magnético e suas três derivadas, as quais podem ser medidas diretamente ou calculadas a partir do campo magnético, o que torna possível a aplicação do método. Com o uso da equação homogênea de Euler, é possível formular um problema inverso capaz de estimular o vetor de parâmetros, contendo a localização de onde pode existir a fonte e o índice estrutural, o qual depende do tipo de fonte. O problema inverso foi estabilizado com a introdução de informações “a priori” no vetor de parâmetros e com uso de uma matriz de pesos. A metodologia foi testada em anomalias teóricas e reais, em região de baixa latitude com resultados satisfatórios. A aplicabilidade do método é analisada, discutindo-se a ambiguidade causada pela falta de informações sobre o vetor magnetização do corpo, inerente aos métodos de interpretação automática. Como uma aplicação, foi escolhida uma área na bacia do Solimões. A partir de 1977, a bacia do Solimões vem merecendo considerável atividade exploratória, motivada pelas primeiras descobertas de gás em arenitos da formação Monte Alegre. Desde então, trabalhos de sísmica e de perfuração vêm sendo desenvolvidos na região. O conhecimento das estruturas do embasamento, é de grande importância para a descoberta de estruturas favoráveis ao trapeamento de hidrocarbonetos e para um melhor conhecimento dos eventos tectônicos. Dessa aplicação, foi possível obter informações preliminares sobre a distribuição de intrusões de corpos magnéticos intra-embasamento e supra-embasamento.