Some interesting takeaways from the MMWR report:
Legionella was implicated in 98% of biofilm-related outbreaks.
Legionella-associated outbreaks generally increased over the study period.
Legionella caused 97% of the hospitalizations and 98% of all deaths.
Premise plumbing (point of use locations) was the contributing factor in 63% of the Legionella and other biofilm-associated pathogen outbreaks.
Read the full report here.