U.s. immigration guidelines involve vaccinations to circumvent the health conditions in the checklist beneath. This applies to international nationals who submit an application for an immigrant visa abroad. It also applies to overseas nationals trying to get an adjustment of position to the long-lasting resident position whilst from the U.S.: https://andytwyho.canariblogs.com/top-latest-five-can-someone-to-take-medical-examination-urban-news-43561112