COVID-19 vaccine hotline was plagued by an outage due to high call volumes.Preparations to begin vaccinating seniors aged 85 and older hit a number of bumps on the weekend as the city’s call centre was not equipped to handle the volume of the inquiries it received.“I do want to apologize for the widespread frustration and dissatisfaction with our COVID-19 hotline over the weekend and today,” Richardson said.“We do appreciate just how much people want to ensure that both they, themselves and their loved ones are registered, and I’m very sorry for the angst that this has been causing.” Pent up demand for COVID-19 vaccinations means busy weekend for Hamilton hotline Emergency operations centre (EOC) director Paul Johnson said the issue was.