Bacterial Patterns and Empiric Antibiotic Use in COPD Patients With Community-Acquired Pneumonia Sergi Pascual-Guardia, Francesco Amati, Judith Marin-Corral, Stefano Aliberti, Joaquim Gea, Nilam J. Soni, Alejandro Rodriguez, Oriol Sibila, Francisco Sanz, Giovanni Sotgiu, Pedro J. Marcos, Ane Uranga, Branislava Milenkovic, Christian N. Meyer, Martin Kolditz, Antonio R. Anzueto, Marcos I. Restrepo

Pneumococcal Vaccination in Adults: What Can We Learn From Observational Studies That Evaluated PCV13 and PPV23 Effectiveness in the Same Population? Eileen M. Dunne, Catia Cilloniz, Claire von Mollendorf, Joseph Lewnard, Lindsay R. Grant, Mary P.E. Slack, Luis Jodar, Christian Theilacker, Bradford D. Gessner

New Variants in SARS-CoV-2: What are we Learning from the Omicron Variant? Juan Carlos Galán, Rafael Cantón