This figure shows the rate of legionellosis in Australia in 2011, by age group and sex, as well as the rate of legionellosis in Australia in 2011 by age group for Legionella longbeachae and 
L. pneumophila. This figure demonstrates that legionellosis is predominately seen in older males. There is no substantial difference in the age-specific profiles for L. longbeachae and 
L. pneumophila.