Tracking and preventing healthcare-associated infections

• 1215 • Prevalence of positive PCR screening for SARS Coronavirus 2 (SARS-CoV-2) among hospital personnel during the second pandemic wave in a tertiary referral hospital of northern Greece > A. Athina PYRPASOPOULOU (Thessaloniki) • 1311 • Interrupted time series analysis of a nosocomial vancomycin-resistant enterococci (VRE) outbreak: daily room disinfection is associated with reduced VRE prevalence > A. Andrew ATKINSON (Bern) • 1512 • It never rains but it pours: outbreak of carbapenem-resistant <em>Acinetobacter baumannii </em>during the COVID-19 pandemic > R. Reto THOMA (St. Gallen) • 1697 • Clinical characteristics and outcome of cardiac implantable electrophysiological devices, retrospective observational study over a 10-year period in Qatar > F. Fatma BEN ABID (Doha) • 212 • The alteration from contact precautions to an enhanced basic infection prevention and control strategy did not increase the rate of nosocomial transmission of vancomycin-resistant <em>Enterococcus faecium</em> > V. Vanessa EICHEL (Heidelberg) • 2291 • Inflammatory bowel diseases increase the risk of periprosthetic joint infection > E. Emanuele CHISARI (Philadelphia) • 2561 • The impact of a 4-year antibiotic stewardship programme on the incidence of <em>Clostridioides difficile</em> infections > K. Konstantina CHRYSOU (Lausanne) • 2615 • Impact on the gut microbiota of intensive and prolonged antimicrobial therapy in patients with bone and joint infection > N. Nicolas BENECH (Lyon) • 2716 • Diagnostic evaluation of ventilator-associated pneumonia in low-risk patients (DEVIL): revisiting the ICU "panculture" > L. Louis SARAVOLATZ (Ann Arbor) • 2773 • Effects of practice changes on catheter-related exit-site and bloodstream infections in haemodialysis patients over time > C. Courtney K LAWRENCE (East St. Paul) • 2809 • The impact of sonication cultures when the diagnosis of prosthetic joint infection is inconclusive > M. Mauro Jose Costa SALLES (Sao Paulo) • 3008 • Systematic 12-core transrectal ultrasound-guided prostate biopsy versus targeted transrectal MRI-guided or MRI-ultrasound fusion guided prostate biopsy: a comparison of post-biopsy infection rates > S. Sofie TOPS (Nijmegen) • 417 • Effect of a multimodal strategy for prevention of nosocomial influenza > M. Meghann GALLOUCHE (Grenoble) • 4201 • Investigation of nosocomial transmission of SARS-CoV-2 in three medical wards in a Belgian hospital > E. Ekaterina MELNIK (Bruxelles) • 4388 • Silica nanoparticles with encapsulated DNA (SPED) to trace the spread of multi-resistant pathogens in healthcare > H. Hugo SAX (Zurich) • 4553 • D-lactate in synovial fluid: a novel pathogen-specific biomarker of periprosthetic joint infection > P. Paula MOROVIC (Berlin) • 718 • Frequency of occurrence and antimicrobial susceptibility of bacteria isolated from patients hospitalised with bacterial pneumonia in western Europe and eastern Europe: results from the SENTRY programme, 2018-2020 > H. Helio S. SADER (North Liberty) • 878 • SARS-CoV-2 in healthcare workers during the early phase of epidemic: the experience of Brescia, Northern Italy > N. Natalia GREGORI (Brescia) • 964 • Healthcare-associated infections, including device-associated infections and antimicrobial resistance in Iran: the national update for the year 2018 > A. Arash SEIFI (Tehran) • 994 • Participatient: patient engagement counter catheter-associated urinary tract infections with an app (PECCA) > R. Robbert BENTVELSEN (Leiden)