I've had my YF vaccination today at the clinic on Ingeniero Huergo 690 (corner of Huergo y Chile).
Clinic opening hours 10:00-15:00
It's free, very quick and as mentioned by others before you just need to bring your passport. The certificate they give you is in English and Spanish
I came fro the UK and opened a bank account with HSBC. In fact, they ended up openeing 4 accounts for me and ended up cancelling the other three.
All I needed to provide was a copy of lease agreement, passport and a utlity bill (which was under the landlord's name). I am with HSBC Premier