She is a Covid19 conspiracy nut. Don’t give her visibility.
One example: https://youtu.be/LtFfsRoJbg8?feature=shared
The title of that video is „Visit to the banks was more like a visit to a concentration camp“ during covid lockdowns
IDK, I'm pro vaccine, but maybe I've been exposed to so many anti-vaxxers like my Dad, I can still empathize and be open to seeing their other positive aspects in life without rejecting the person completely. Many people were led astray and susceptible to misinformation. As long as they're not creating and spreading new misinformation, I think she's harmless.