Figure 9.2.4: Legionellosis by year
Rate of legionellosis infections reported per 100,000 population, Middlesex-London and Ontario, 2005 to 2018
![Figure 9.2.4: Legionellosis by year Figure 9.2.4: Legionellosis by year](https://communityhealthstats.healthunit.com/sites/default/files/styles/chart_image_large/public/charts/Figure%209.2.4%20Rate%20of%20legionellosis%20pop.png?itok=L5Lk0Ngd)
Source:
Public Health Ontario Infectious Diseases Query: Middlesex-London Health Unit: Case counts and crude rates of reportable diseases by year. Toronto ON: Ontario Agency for Health Protection and Promotion; 2019 May 8 [cited 2019 May 13].In Middlesex-London, rates of legionellosis infections was highest among those 60 years of age and over, followed by those 50-59 years of age (data not shown).
Between 2005 and 2018, the rate of legionellosis infections increased among Middlesex-London residents. The rate for Ontario as a whole demonstrated similar increases.
In most years the local and provincial rates were comparable; in four of 14 years the Middlesex-London rate was significantly lower than the Ontario rate.