Except other countries that have publicly provided free healthcare systems include Austria, Belarus, Croatia, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Italy, Latvia, Lithuania, Luxembourg, Malta, Moldova, North Macedonia, Norway, Portugal, Romania, Serbia, Slovenia, Spain, Sweden, Switzerland, Ukraine, much of Africa, Australia, Canada, New Zealand (among others)…scraped this from a quick Wiki search so Google is quite useful sometimes.
OP - I’m so sorry you’re husband is going through this and hope he found his trip home restorative and is now being treated somewhere he can sleep!