Surveillance system and prevalence of legionellosis: a review of recent studies at home and abroad

Legionellosis is an infectious disease caused by Legionella,including Pontiac fever and legionnaires' disease.In this paper,the surveillance system and management mode of legionellosis in different countries were summarized.The prevalence of legionellosis at home and abroad was analyzed.The tracking source study and emergency measure after legionellosis outbreak or cluster were introduced.