The results of a government-funded study show that very high doses of an avian influenza vaccine, supplied by Sanofi-Aventis, are needed to produce an immune response that should guard against the virus. 54% of the volunteers received two shots of 90 micrograms each, 28 days apart. A typical flu shot is 15 micrograms.
Based on the requirements seen in the study, the U.S. government’s current stockpile of vaccines would provide enough for only about four million people, according to Dr. Anthony Fauci, director of the National Institute of Allergy & Infectious Diseases.
The problem isn’t just a matter of dosage. It is also a matter of production. Flu vaccines are produced using hen’s eggs,a 50-year old technology, if it can be called that. Automated machines inject hundreds of thousands of eggs, then an 11-day waiting period begins while the eggs incubate, brewing viruses that are then killed and bottled. To produce millions of the the final product takes about six months.
Then there’s the question no one seems to be asking: if we plan to rely upon chicken eggs to incubate an H5N1 virus, how do we know the H5N1 virus won’t...
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