Since September 1, 2012, 980 cases of CO poisoning have been reported to the surveillance system, involving 3,160 people, including 33 deaths.

Over the past two weeks (2013_S08 and 2013_S09):

• Two deaths occurred in residential settings due to a malfunctioning boiler.

• Three mass poisoning incidents occurred in a banquet hall, a restaurant, and a nursing home, exposing a total of 67 people, 15 of whom were transported to a hospital emergency department. These incidents were linked to the malfunction of gas radiant panels in the banquet hall, the use of a large number of alcohol burners in the restaurant, and the malfunction of a stove in the nursing home.