The number of cases reported from 1 January to 5 November is 371, confirmed or likely, compared to 304 in 2018. Worst year to date The current year was 2017 with 329 reported cases.
Also this year, Estrie was the most affected health region in Quebec with 139 cases, accounting for more than one-third of Quebec's total. The others were in the order Montérégie (92), Montreal (62) and Outaouais (19).
Since 2014, Estrie has been the most affected region in Quebec every year except last year.
A case of Lyme disease had not been reported in Saguenay / Lac-Saint-Jean on the north coast or in the regions on 5 November, including Nord-du-Quebec, Nunavik and James Bay.
Lyme disease is contagious and can cause cutaneous, neurological, joint, cardiac and ocular manifestations. The bacterium is transmitted to humans through the bite of an infected tick.
Authorities report that cases of Lyme disease are usually acquired during a tick bite at the pupal stage, which is more active in the spring and summer months. Adult ticks, which are about the size of a sesame seed, are more active in the fall. You can also be active in winter with mild weather and little snow.