Loto-Québec said in a Thursday evening statement that nine workers have tested positive. The Centre intégré de santé et de services sociaux de l'Outaouais (CISSSO) confirmed the outbreak Thursday, only days after a Radio-Canada investigation revealed the casino - one of the largest in the region - was failing to enforce mask-wearing policies. Western Quebec's health unit has declared an outbreak of COVID-19 among staff of the Casino du Lac-Leamy in Gatineau, Que.