You should contact your Mother’s doctor. If she never acted like that before, she may have some mental disorder or is suffering dementia. Maybe she doesn’t know who you are. Can you talk to other members of your family so you can all discuss what is happening? This is very unusual behavior to me. Because there is no need to make the vaccine mandatory. You only need about three-quarters of the population vaccinated for herd immunity to ensure that and outbreak is soon quashed. So a few thousand pro-plague nutters refusing to be vaccinated will be irrelevant.
You have committed one of the worst deeds a child can commit against a parent. You will have to prove yourself to your mother. It may take a very long time for her to forgive you, or she may never forgive you. It will depend entirely on you. I may add that, if she never speak to you again, it will still be on your head. Although I am not privy to the facts which gave rise to the assault, I still feel you have to take full blame.