 healthcare facilities often have complex distribution pathways and other features which serve as a favorable environment for the proliferation of opportunistic pathogens such as nontuberculous mycobacteria and legionella among many others water associated organisms have caused many outbreaks in healthcare settings and these outbreaks can be challenging to detect and control this page offers a collection of resources to assist with water related outbreak detection and response corhas nontuberculous mycobacteria burkholderia cepacia and legionella resource pages offer additional detailed information 