I have vagina candidas glabrata infection. no diabetes, not immunocompromised. not sure why i have it? infectious disease specialist told me it could be due to covid vaccine?

https://www.healthline.com/health/candida-glabrata#c-glabrata https://www.cdc.gov/std/treatment-guidelines/candidiasis.htm Candida glabrata not unusual but may overgrow. Wear loose clothing, breathable underwear, and try eating probiotic yogurt as the lactobacillus may counteract the candida.If you have a regular partner consider having them treated as well. f/u/ w/ MD

There is no special reason people have C. glabrata versus other yeasts, like C. albicans. It's just random luck, maybe part of your normal intestinal organisms. I don't see how it could be related to COVID vaccination; probably the ID doc was just guessing. As discussed in your other questions, probably s/he prescribed alternate (non azalea) treatment. Take as directed, but don't dwell on origins.