Although they have not announced the communites, it seems like most are in Kitikmeot, the rest in Kivalliq and none have been discovered in Qikiqtaaluk.
From
www.cbc.ca/canada/north/story/2009/06/10/nunavut-swine-flu.html
In a release filed Wednesday afternoon, the Nunavut Health Department said 75 per cent of the cases were identified in communities in the territory's westerly Kitikmeot region, while 25 per cent were found in the Kivalliq region in central Nunavut.
Several communities in those regions have experienced "significant outbreaks" of swine flu, according to the release. There have been no confirmed cases in the territory's Baffin region.
This story is suggesting that Nunavut may be one of the catalists for callings a Pandemic
thetyee.ca/Blogs/TheHook/Health/2009/06/10/CanadaTrigger/