Secondary prevention
Respiratory hygiene measures, such as the use of hand hygiene and tissues for patients who cough are recommended to reduce the risk of spread.
Epidemiological investigation is generally warranted (either by the local infection control team or by official epidemiological investigation) in cases where Legionella pneumophila infection has been diagnosed to prevent further exposure and infections,[29]Cunha BA, Burillo A, Bouza E. Legionnaires' disease. Lancet. 2016 Jan 23;387(10016):376-85.
http://www.ncbi.nlm.nih.gov/pubmed/26231463?tool=bestpractice.com
[100]Mentasti M, Afshar B, Collins S, et al. Rapid investigation of cases and clusters of legionnaires' disease in England and Wales using direct molecular typing. J Med Microbiol. 2016 Jun;65(6):484-93.
https://www.microbiologyresearch.org/content/journal/jmm/10.1099/jmm.0.000257#tab2
http://www.ncbi.nlm.nih.gov/pubmed/27046155?tool=bestpractice.com
[101]Bartley PB, Ben Zakour NL, Stanton-Cook M, et al. Hospital-wide eradication of a nosocomial Legionella pneumophila serogroup 1 outbreak. Clin Infect Dis. 2016 Feb 1;62(3):273-9.
https://academic.oup.com/cid/article/62/3/273/2462787
http://www.ncbi.nlm.nih.gov/pubmed/26462745?tool=bestpractice.com
and to improve water Legionella disinfection measures.[102]Demirjian A, Lucas CE, Garrison LE, et al. The importance of clinical surveillance in detecting legionnaires' disease outbreaks: a large outbreak in a hospital with a Legionella disinfection system-Pennsylvania, 2011-2012. Clin Infect Dis. 2015 Jun 1;60(11):1596-602.
https://academic.oup.com/cid/article/60/11/1596/356183
http://www.ncbi.nlm.nih.gov/pubmed/25722201?tool=bestpractice.com