Laboratory diagnosis of legionnaires' disease due to Legionella pneumophila serogroup 1: comparison of phenotypic and genotypic methods

In the summary section (p. 183), the ranges 510 and 1015 days after onset should read 610 and 1115 days after onset, respectively. In the Results and Discussion (`Legionella antigen in urine', first paragraph; DFA and culture', second paragraph), the range 510 days after onset should read 610 days after onset.