They used the normal manufacturing standards and rules that they use for developing and bringing to production any influenza vaccine. The system has been in place for decades. It is tried and trued.
This is just plain silliness. H1N1 is a variant, and the vaccine production process does not need reinventing or retesting.
Time is of the essence. Get your shot. The swine flu sucks.
If it’s the same flu vaccine they’ve been using for decades, why did the swine flu vaccine kill thousands and give thousands more french polio? It would have used this same technology I’m assuming. Or is your “decades” fact wrong. Just curious how that could be.