Kudos on our festival of beer Ja-el. You know, I don't think mosquitoes really like alcohol or garlic, so if you are consuming lots of those things, that may partially explain your new immunity... the 1d4 poison damage cracked me up by the way.
I'm off to sunny LA. Hooray! I am so excited to be on vacation that I could pee myself. That is pending the airplane exploding or something. "Bon jour!" (Explosion.)