Effectiveness of the National Quality Control Program in Mycology of Argentina and performance evaluation of participating laboratories Mariana Mazza; Graciela Odelsia Davel; Nicolás Refojo; Constanza Giselle Taverna; Nadia Soledad Bueno; Cristina Elena Canteros; Susana Beatriz Córdoba; María Cristina Rivas; María Cecilia Joffre; Guillermina Isla; Ruben Antonio Abrantes; Alejandra Inés Hevia; Adriana Toranzo; Mariana Viale;

Report of two events of nosocomial outbreak and pseudo-outbreak due to contamination with Achromobacter spp. Liliana Clara; María Ines Staneloni; Estela Salazar; Graciela Greco; Mariangeles Visus; Alicia Lizzi; Valeria Alexander; Gabriel Gutkind; Marcela Radice; Mariana Papalia;

COVID-19 associated with disseminated histoplasmosis in a kidney transplant patient Ivana Maldonado; María Elisa Elisiri; Liliana Fernández-Canigia; Ana Victoria Sánchez; Liana López; Adriana I. Toranzo; Cecilia López-Joffre; Sol González-Fraga; Cristina Elena Canteros;