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Is the new Dynavax hepatitis vaccine safe? I couldn’t tell — and I was advising the FDA

Hepatitis B is a serious disease that can damage the liver. A company called Dynavax has developed a new vaccine that stimulates the body to produce antibodies against the hepatitis B virus more vigorously than existing vaccines do, and with just two doses instead of the usual three. The vaccine works through a unique adjuvant — a substance that improves the body’s immune response to the virus. The advantages of the Dynavax vaccine were demonstrated in a randomized trial of more than 8,000 patients: About 5,600 received the new vaccine and about 2,800 received the existing standard hepatitis B vaccine.  Read more...



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