coronavirus vaccine manufacturers say they are not selling shots to provincial governments because they only want to deal with one contract per country at a time.This comes as premiers in Alberta and Manitoba join arms in calling for a “Plan B” interprovincial task force to secure their own vaccine supplies following delays in deliveries to the federal government, and a lack of clarity from the federal government around the terms of those crucial contracts.“During the pandemic, we are committed to bringing this vaccine to help meet the public health need and only plan to sell the vaccine to the Government of Canada,” said Christina Antoniou, director of corporate affairs for Pfizer.“The federal government’s National Operations Centre is.