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The Global Fund to fight HIV/AIDS, Tuberculosis and Malaria (GFATM) was founded in 2002 in the context of increased political and financial commitments towards health and development, in the aftermath of the Millennium Declaration, and on track to implement the Millennium Development Goals (MDGs). As of today, the institution has mobilized over 16 billion US dollars through its partnership, and spent over 8 billion dollars through 620 contracts in 140 countries for these three diseases. Principles at inception were to accelerate and expand HIV, TB, and Malaria prevention and awareness, care, and treatment related activities, in the poorest and the most affected countries worldwide, with a special emphasis on Africa, being the continent with the highest disease burden, especially with respect to HIV/AIDS and its dreadful social and economic consequences. In 2006, a Technical and Evaluation Reference Group was set up. This group responding to the GFATM Board in relation to the 5-year evaluation, defined the Terms of reference for the 5-year evaluation. Macro International, a firm based in Washington DC, was given the contract to conduct three studies over the period 2006-2009, looking at: (i) GFATM organizational effectiveness, (ii) partnerships at international and global levels, as well as systems effects, (iii) collective impact of the GFATM, the World Bank and (PEPFAR) funds on HIV, TB, and Malaria control. Twenty-five countries participated all together in the evaluation, out of which 18 in study area 3. Total budget for the evaluation amounted almost 17 million US dollars. This paper outlines: (i) the results of study areas 2 and 3 as well as the 5-year Evaluation Synthesis report, contents, and (ii) comments on the results and potential policy implications of the GFATM 5-year evaluation findings, as well as first responses prepared by the GF Secretariat shared at the GFATM Board meeting held in Ethiopia in November 2009. The evaluators raised the weaknesses of national health information systems, which limit the availability of reliable data and indicators that could be useful in assessing disease control impact as well as in monitoring the progress through management for result initiatives. Nevertheless, it can be shown that increased funding is linked to expansion of preventive interventions (including Voluntary Counseling and Testing (VCT) and preventing mother-to-child transmission (PMTCT)) as well as treatment (ARV) activities, the quality of which could be improved and better monitored. Especially in Eastern Africa, malaria control has improved significantly, benefiting from additional funding. Health systems' weaknesses at district level, such as human resources, laboratory commodities, and medicine shortages, are major constraints to further expansion of services and impact of funds. Issues at stake are the following: (i) soundness of the GFATM assumptions at inception with respect to national disease control strategies, especially in relation to HIV prevention, (ii) whether it belongs to the GFATM to finance health systems strengthening to start with, (iii) GFATM systems effects, (iv) misfinancing in relation to disease burden, marginalized and vulnerable groups, (v) technical expertise identification, mobilization and financing, (vi) equity of access of funding, expertise and guidance, to francophone countries in Africa. Recommendations are made to bring the attention of the GFATM Board members prior to the Replenishment Conference to be prepared in March 2010 and held in October 2010.

Potential climate driven changes in the epidemiology of human and animal disease are widely discussed and complex to assess. Recent spreads of exotic pathogens or vectors feed speculations; although most of these introductions are mainly linked to the increased worldwide traffic, trade of goods and transportation of animal and human, abiotic factors are known to impact on vectors and pathogens bionomics and their ability to establish in new ecosystems; altogether changes in climatic patterns and in seasonal conditions may affect disease behaviour in term of spread pattern, diffusion range, amplification and persistence in novel habitats. Invasion may result in the emergence of novel disease processes, presenting major challenges for the epidemiologists. In this paper, some of the ecological mechanisms underlying the impact of climatic change on disease transmission and disease spread are further described. Potential effects of different climatic variables on pathogens and hosts population dynamics and distributions are complex to assess and different approaches are used to describe the dynamics in ecological range and the availability of ecological niches for pathogens and vectors. However even when linkage between disease dynamics and climate change are relatively strong, there are always other factors also changing disease behaviour and these should be accounted for as well.

This paper was presented as a tribute to André Dodin, formerly director of the Paris Pasteur Institute's cholera department. It was intended to: - recall representations of what is seen as pure, impure, sullied, dirty ... medical and social interventions depend not only on scientific theories but also on unconscious presuppositions linked to their particular history and culture; - to stress the necessity of reexamining epidemiological chains in fecal peril bearing in mind bodily techniques and the material and symbolic behaviour of the populations concerned; - to insist upon the fact that traditional sanitation techniques do exist and should not be neglected, whether it be to make use of them, avoid or combat them. It is not a question of idealizing local culture, but of becoming acquainted with it so as better to appreciate its role.