Ontario announced on Monday that the first COVID-19 mass vaccination clinic in Northumberland will open its doors on Tuesday. The clinic, set up at Cobourg Community Centre, will use the provincial booking system—an online portal and customer service desk for residents—to set up appointments for vaccinations, starting with those aged 80 and above as priority.  “This site alone can administer 800 vaccines a day,” Premier Doug Ford said. “We need the federal government to ensure we have enough supply, so these people can start getting 800 needles in arms every single day, and that goes for every region of the province.”  Ford said over 45,000 Ontarians have booked their appointments through the phone via the booking system, which is about 375 people per minute. Reporters, however, said there were a large number of people experiencing difficulties getting their appointments booked as their calls were either rejected or wouldn’t go through, …