Executive summary: Guidelines for the diagnosis and treatment of septic arthritis in adults and children, developed by the GEIO (SEIMC), SEIP and SECOT Natividad Benito; Juan Carlos Martínez-Pastor; Jaime Lora-Tamayo; Javier Ariza; José Baeza; Joaquín Belzunegui-Otano; Javier Cobo; María-Dolores del-Toro; Cesar G. Fontecha; Lluís Font-Vizcarra; Juan P. Horcajada; Laura Morata; Oscar Murillo; Joan M. Nolla; Esmeralda Núñez-Cuadros; Carlos Pigrau; María Eugenia Portillo; Dolors Rodríguez-Pardo; Beatriz Sobrino-Díaz; Jesús Saavedra-Lozano;

Executive summary: Clinical practice guidelines on the management of resistant tuberculosis of the Spanish Society of Pulmonology and Thoracic Surgery (SEPAR) and the Spanish Society of Infectious Diseases and Clinical Microbiology (SEIMC) Adrian Sanchez-Montalva; José Antonio Caminero; Mª Remedio Guna; Teresa Rodrígo Sanz; Ramón Rabuñal; Joan Pau Millet; José Antonio Gullón-Blanco; Luis Anibarro; Guillermo Perez-Mendoza; Juan Francisco Medina; Verónica González-Galán; Eva Tabernero;

Faecal microbiota trasplant: Current status and perspectives beyond Clostridioides difficile infection Rosa del Campo; Javier Cobo;