1. 2. 2019 National and state healthcare-associated infections progress report. Centers for Disease Control and Prevention website. https://www.cdc.gov/hai/data/portal/progress-report.html. Published 2020. Accessed February 2, 2021.
2. 6. NHSN guide to the SIR. Centers for Disease Control and Prevention website. https://www.cdc.gov/nhsn/pdfs/ps-analysis-resources/nhsn-sir-guide.pdf. Updated March 2019. Accessed February 2, 2020.
3. 5. National Health Safety Network. Bloodstream infection event (central-line–associated bloodstream infection and non–central-line–associated bloodstream infection) NHSN protocol. Centers for Disease Control and Prevention website. https://www.cdc.gov/nhsn/pdfs/pscmanual/4psc_clabscurrent.pdf. Updated January 2021. Accessed February 3, 2020.
4. 1. FY 2021 IPPS final rule home page. Centers for Medicare and Medicaid Services website. https://www.cms.gov/medicare/acute-inpatient-pps/fy-2021-ipps-final-rule-home-page. Updated January 2021. Accessed February 18, 2021.
5. Impact of SARS-CoV-2 on hospital acquired infection rates in the United States: Predictions and early results