Review of Epidemiological Characteristics of Legionnaire Disease Outbreak

Objectives To understand the status of legionnaire disease outbreak and provide scientific basis for government to deal with emergencies for outbreak.

Methods To review the related references in China and other countries, describe the epidemiological characters of time, place and crowd, analyse the infection source.

Results The legionnaire disease could occure in hole year and get to the highest peak in 5~10 months. The attack rate of adult is higher than children, male is higher than female. Legionella pneumophila(LP) infection is more than others. The proportion of infection source caused by SPA and hot springs, cooling water and condensate system is more than 50% in community acquired legionnaire disease.

Conclusions Legionnaires disease as worldwide disease expresses diversity in the infecting sources and pathways which have become a potential healthy threaten to our life, therefore it should be paid more attention.