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;

Evolving SARS-CoV-2 severity among hospital and university affiliates in Spain and Greater Boston Fares Amer; Fan-Yun Lan; Mario Gil-Conesa; Amalia Sidossis; Daniel Bruque; Eirini Iliaki; Jane Buley; Neetha Nathan; Lou Ann Bruno-Murtha; Silvia Carlos; Stefanos N. Kales; Alejandro Fernandez-Montero;

Mild SARS-CoV-2 infection in vulnerable patients: implementation of a clinical pathway for early treatment Héctor Pinargote-Celorio; Silvia Otero-Rodríguez; Pilar González-de-la-Aleja; Juan-Carlos Rodríguez-Díaz; Eduardo Climent; Pablo Chico-Sánchez; Gerónima Riera; Pere Llorens; Marta Aparicio; Inés Montiel; Vicente Boix; Óscar Moreno-Pérez; José-Manuel Ramos-Rincón; Esperanza Merino;