Japanese goverment officially announced today they are going to introduce Medical Visa effective JAN 1, 2011. It allows a patient and someone who takes care of him/her to stay in Japan for up to 6 months.
Government wants $$$ from China and Russia, newspapers report.
!Update!
Official announcement from Ministry of Foreign Affairs.
The Creation of a “Visa for Medical Stay”
Related article from JAPAN TODAY.
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Japan eyes creating long-term medical visa system for foreigners "