But at the same time, she acknowledged delays in getting a sufficient supply for all those demanding it.
"We were relying on the manufacturers to give us their numbers and as soon as we got numbers we put them out to the public. It does appear now that those numbers were overly rosy," Sebelius said in one interview. "We do have a vaccine that works," she said. Sebelius said the immune response is working faster than officials anticipated.
Priority groups for the vaccine include:
Where can you go to get a H1N1 vaccination?
What else should I know about the H1N1:
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