Rega offers the service for 25.- a year iirc
https://www.rega.ch/en/about-us/faq.aspx?kid=56&gid=250#Frag...
https://www.rega.ch/en/about-us/faq.aspx?kid=56&gid=250#Frag...
Just when you are travelling with them in the first place... Not for this use-case, where your fall ill in your home country.
And, nothing there says they will pay you back fully.