Typing of Legionella isolates during an epidemiological investigation can be helpful but also misleading: an example from Greece Velonakis, E N and Uldum, S A and Giakkoupi, P and Loukoussias, S and Nielsen, S S and Spala, G and Vatopoulos, A, Weekly releases (1997–2007), 11, 3033 (2006), https://doi.org/10.2807/esw.11.34.03033-en