I think your ECs are great. If you can coordinate them so they do not look disparate and tie them together, they are great.
If you have contacts with US doctors you have met when doing these activities, such as translating , it could be helpful.
Are you going to need financial aid? That is where it gets tough for international students. If you have the money to pay for college and med school here , it’s one thing. If you don’t, it’s s whole other.