Hi sorry I should have added that it was before the pandemic (so for Fall 2018, 2020 admission cycles) so I don't think I can be of much help re: post-pandemic interview process.
That said, not sure if it would help, I did have skype formal interviews at 2 schools back then. One had shifted to virtual interviews for everyone before pandemic considering those who can't travel (thus for fairness). For one I could not attend in-person and had no choice but to have skype interviews. For both these schools, I had interviews with POI, clinical faculty, and grad students. It was all via skype but I assume it would be via zoom this year?
Best of luck!