Article content Parc-Extension, which has reported the highest rate of working poor in Montreal, is also posting the lowest COVID-19 vaccination rate in the city, according to newly-released figures by public health authorities. To close that gap, health workers have gone door-to-door urging Parc-Ex residents to get vaccinated. Vans have driven up and down streets with a loudspeaker delivering the message not only in French, but eight other languages. We apologize, but this video has failed to load. Try refreshing your browser, or Analysis: Closing the vaccine gap in Montreal's poorest neighbourhood Back to video And on Tuesday, authorities set up a walk-in vaccine clinic at the Assunna Annabawiya Mosque on Hutchison St., open not just to Muslims but to Sikhs and those of other faiths. Turnout at the clinic — which will open again Wednesday — exceeded organizers’ expectations, but challenges remain.