Search for asymptomatic carriers of SARS-CoV-2 in healthcare workers during the pandemic: a Spanish experience.

Background: Asymptomatic carriers of SARS-CoV-2 can be a vehicle for transmission of the infection. This fact is of particular importance in the case of healthcare workers (HCWs).

Design: Cross-sectional study in HCWs in a medium size hospital in the South of Spain.

Factors associated with severe sepsis or septic shock in complicated pyelonephritis.

Severe sepsis or septic shock are the main factors influencing the prognosis of acute pyelonephritis (APN). Our aim was to analyze factors associated with the development of severe sepsis or septic shock in a large sample of patients with acute complicated pyelonephritis (ACPN).This prospective observational study comprised 1507 consecutive patients aged 14 years or older who were admitted to a tertiary care hospital because of ACPN between 1997 and 2015.