Vaccinated people can still spread covid.

She can have her reasons for not getting vaccinated without needing to explain. She might have an underlying condition. Adverse effects are also real.

My ex T has updated his bio to say that he's fully vaccinated.

She should tell you to allow you to make a decision if you're comfortable with seeing her in an enclosed space or not.

The transphobia vibes you've picked up says she's not a good fit for you.