Epidemiological characteristics of the COVID-19 outbreak in a secondary hospital in Spain.

Objectives: In 2019 Chinese authorities alerted of the appearance of a cluster of cases of unknown pneumonia related to a new type of coronavirus. Spain is among the most affected countries. Our aim is to describe the cases of COVID-19 at Infanta Sofía University Hospital (Madrid), a public secondary hospital that increased its hospital beds to provide assistance during the outbreak.

Antibody responses to influenza vaccine in patients on biological therapy: Results of RIER cohort study.

Background And Objectives: Influenza vaccine is recommended for patients with autoimmune inflammatory rheumatic diseases who receive biological therapy. To evaluate if biological therapy impairs immunization after seasonal influenza vaccine.

Material And Methods: Patients with inflammatory arthopathies, psoriasis, inflammatory bowel disease or connective tissue diseases who were receiving or were going to initiate biological therapy were included and vaccinated during 2014-2015 influenza season.

Excess length of stay attributable to surgical site infection following hip replacement: a nested case-control study.

Objective: We estimated the impact of hip replacement-associated surgical site infection (SSI) on morbidity and length of stay.

Methods: This was a pairwise matched (1 : 1) case-control study nested in a cohort. All patients who underwent hip replacement from January 1, 2000, to June 30, 2004, were prospectively enrolled for the nested case-control design analysis and were monitored from the time of surgery until hospital discharge, including any patients readmitted because of infection.

Results of the Spanish national nosocomial infection surveillance network (VICONOS) for surgery patients from January 1997 through December 2003.

Background: In 1997, a national standardized surveillance system for nosocomial infections (NI) in surgery patients was established in Spain. This system, known as the VICONOS program, is based on the US National Nosocomial Infection Surveillance System (NNISS). Herein, we present a summary of the data collected from January 1997 to December 2003.