The Quebec Ministry of Health reports on Thursday two more cases of measles, bringing to 12 the total number of confirmed infections in the province since the beginning of the year.

The Quebec Ministry of Health indicates that since the beginning of the year, two cases of measles have been reported in Laval, north of Montreal, and another in Mauricie–Centre-du-Québec.

The Direction régionale de santé publique de Montréal states that seven cases reported in its territory, including the two new infections, are due to transmission in the community. The other two cases are related to international travel.

The regional agency says it is intensifying its efforts to trace the contacts of infected people.

Authorities said last Monday that the number of cases in Quebec was worrying, noting that measles vaccination rates were sometimes as low as 30% in some schools in Montreal.