As he marks his third anniversary on the job, Pope Francis is providing encouragement, renewed optimism and a new energy to many of the world’s 1.2 billion Catholics. It is an appeal that extends beyond Catholics as the humble leader addresses issues from the refugee crisis to the environment. But can one person, even someone as charismatic as Francis, bring about lasting change?

When it comes to religion and politics in Latin America, a land of increasing political and religious diversity, you can throw many of the Western scripts away. This is not the story of an inexorable march toward secularism, or a descent into holy wars. The paradigm of Latin American religious modernity is rather an evolving dance among political, social and religious forces in a region experiencing the longest democratic process in its history. Pope Francis, women presidents and the rise of Pentecostalism all play a role.

At their best, faith-based organizations and religious communities have embraced Ebola victims with loving care, heedless of their own safety in treating the suffering and working with public health officials in education and prevention efforts. Still, amid the uncertainty that has gripped governments, world health officials and religious groups alike, responses have been varied over religious rituals such as Muslim and traditional African burial practices encouraging the washing of the dead, Christian practices such as exchanging hugs and handshakes and receiving communion orally and the reliance on traditional healers that provide sources of comfort and hope to believers but also pose public health risks.