Description of 12 HIV-positive patients who have had COVID-19 in our area Josep Cucurull-Canosa; Sonia Vega-Molpeceres; Jorge Alberto Damián-Rodríguez; Estel Pons-Viñas;

¿ Time course of lung changes on thoracic ultrasound of mild COVID-19 patients Yale Tung-Chen; Raquel Marín-Baselga; Rubén Soriano-Arroyo; Elena Muñoz-del Val;

Treatment of COVID-19 with convalescent plasma in patients with humoral immunodeficiency ¿ Three consecutive cases and review of the literature Marcial Delgado-Fernández; Gracia Mar García-Gemar; Ana Fuentes-López; Manuel Isidro Muñoz-Pérez; Salvador Oyonarte-Gómez; Ignacio Ruíz-García; Jessica Martín-Carmona; Jaime Sanz-Cánovas; Manuel Ángel Castaño-Carracedo; José María Reguera-Iglesias; Juan Diego Ruíz-Mesa;