The AIDS movement, led by people living with and affected by HIV, continues to inspire the world and offer a model for a people-centred, rights-based approach to global health and social transformation. And yet, today, amid a swirl of competing and complex global concerns, we confront a serious new obstacle: the oppressive weight of complacency. This is happening when we know that if we make the right decisions and the right investments now, the end of AIDS can be within our grasp. This moment is, however, fleeting. We have a fragile window of opportunity—measured in months—in which to scale up.

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