When my grandfather was hospitalised (and 2-weeks later died) after his COVID vaccination, I was permitted to see him as it was an end of life situation. My entire family tried to stop this, but to no avail. Hospital staff asked for my vaxpass 3 times, I just kept saying, "I read your policy and I don't need to show you that for end of life visitation."
If that fails, try to get media/alt media attention and consult a lawyer.
OP, please read the hospital's visitor guidelines, there is a chance you can visit:
https://hsnsudbury.ca/en/Patients-and-Visitors/COVID-19/Visitor-Information
When my grandfather was hospitalised (and 2-weeks later died) after his COVID vaccination, I was permitted to see him as it was an end of life situation. My entire family tried to stop this, but to no avail. Hospital staff asked for my vaxpass 3 times, I just kept saying, "I read your policy and I don't need to show you that for end of life visitation."
If that fails, try to get media/alt media attention and consult a lawyer.