COVID-19 outbreak has been declared at a French-language elementary school in the city after a fourth positive case was confirmed there, the Middlesex-London Health Unit said Friday.Health officials said the outbreak at École élémentaire La Pommeraie on Settlement Trail is the first school-associated outbreak in the region so far this school year, where transmission of COVID-19 occurred among close contacts while they were at school.“The latest individual to test positive for COVID-19 is currently in isolation at their home after they were found to be a close contact of a previous case; they did not attend the school during their period of communicability,” the health unit said in a statement.980 CFPL has reached out to the school board,.