Manitoba announces initial plan for COVID-19 vaccine rollout Since opening Saturday, the booking service has received more than 100,000 phone calls and some callers were screened out as they did not meet eligibility criteria.Right now there are only 900 appointments available and even with so many calls, the vast majority were ineligible and still about half of the spots remain for eligible health-care providers to book.The first priority group to receive COVID-19 immunizations in Manitoba are health-care workers whose work involves direct contact with patients and who meet one of these other criteria:So far there is no date set for when the public can start getting the vaccine..