Cartas a distancia is a documentary that reflects the mechanism that a nurse in a hospital in Mexico City and his colleagues created to bring the infected closer to their loved ones. It is directed and produced by Juan Carlos Rulfo, with journalistic research by Melissa Del Pozo and production by Eduardo Díaz Casanova of Península Films. The sound design is by Martín Hernández and the music by Philip Glass and Leonardo Heiblum.