Find infection rates for Massachusetts hospitals in 2021. Healthcare Associated Infections (HAI) in MA hospitals, show infection rates for hip, knee, hysterectomy, CABG and colon surgery. Also shows infection types: CLABSI, CAUTI, CDI, and MRSA. Volume of cases also shown. Find staff vaccination rates for influenza. Choose the Interactive HAI Map to see ratings for each individual hospital. Published by Mass. Health and Human Services, September 2022.