Which country has free healthcare for foreigners?

Brazil Only one country offers healthcare that is free for everyone: Brazil. The constitution defines healthcare as a universal right. Anyone in the country, even short-term visitors, can get health care for free.

https://www.internationalinsurance.com/health/countries-free-healthcare.php#:~:text=Only%20one%20country%20offers%20healthcare,get%20health%20care%20for%20free.