Detection of EPEC and STEC strains isolated from children with diarrhea in Argentina Daniel Fernández Fellenz; Julia M. Ruiz; Analía I. Etcheverría; Rocio Colello; María V. Velez; Marcelo E. Sanz; Mónica D. Sparo; Sabina Lissarrague; Josefina Pereyra; Gustavo Zanelli; Nora L. Padola;

Persistent infection with a rotavirus vaccine strain in a child suffering from Severe Combined Immunodeficiency in Argentina María J. Palau; Cecilia M. Vescina; Lorena Regairaz; Diana Cabanillas; Juan A. Stupka; Juan I. Degiuseppe;

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;