An interesting post-script to the case in Japan is this:
'The patient - a woman in Osaka prefecture - was recovering after having been given Ralenza, an alternative anti-flu medication, Kyodo news agency reported, citing the Health, Welfare and Labour Ministry.'
Can't be bad!
http://news.theage.com.au/breaking-news-world/uk-faces-swine-flu-upsurge-20090703-d6t5.html