In pontaic fever, which antigen is seen in urine?
Ans. is 'a' i.e., Lipopolysaccharide-1 Legionella are classified into serogroup on the basis ofgroup specific lipopolysaccharide (somatic antigen or 'O' antigen). Legionella pneumophila sero-group-1 (LP-1) is the most common infecting organism. Urine test detect LP-1.
Lipopolysaccharide-1
Lipopolysaccharide-2
Lipopolysaccharide-4
Lipopolysaccharide-6