If i want to go into clinical immunology, what should my major be for this. also any good colleges for this???

I am B , A- student with lots of extra curricular activities, high level cles and average SAT scores of 1650, if that helps with college suggestions, i am taking a cl now so suggestion with expectancy of SATS rising, i have been told pre-med, but im not sure, eventually i want to focus directly on type 1 diabetes