Swine Flu Vaccine, Vaccine Production Running Behind | featured news

Swine flu vaccine production running behind by about 25%, officials say

Swine flu vaccine production running behind by about 25%, officials say

The CDC had expected about 40 million doses by the end of the month, but at most 30 million will be shipped, an official says. Growing the virus in eggs is yielding less antigen than was hoped.

 

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