Legionella pneumophila Rapid Test Cassette(Urine) is an in vitro diagnostic test based on immunochromatographic assay. It is designed for detection of soluble antigen from Legionella pneumophila serogroup 1 in human urine specimen. Legionellosis is a serious pneumonia caused by bacteria of the genus Legionella assigned to the family Legionellaceae. This family now includes 48 species and over 60 serogroups. Approximately 20 species are implicated in human disease.