Summary: This project aims to explore contemporary processes of negotiation of scientific and religious discourses among Muslim population in two different contexts. More specifically, I aim to conduct a pilot study to identify existing positions and dilemmas on COVID-19 vaccination and infertility treatments among Muslim people living in Barcelona and Tangier. These two cities respond to two distinct geographic realities with a different religious and social context. Following a qualitative methodology, based on semi-structured interviews and ethnographic observation, this project analyses which discourses emerge in these cases and how Muslim people negotiate religious and scientific intersections in the everyday life. The main outputs of the project are the presentation at an international conference and the writing of two scientific articles. The project includes a specific phase of academic diffusion in which the main findings will be presented through these three outputs. First, the main findings of the pilot study will