Scientists are testing a promising breast cancer vaccine

Scientists are testing a promising breast cancer vaccine
(Image credit: iStock)

A small safety trial of a breast cancer vaccine has suggested the treatment may be safe and effective.

Researchers at Washington University School of Medicine in St. Louis developed the vaccine for breast cancer patients with high levels of mammaglobin-A, a protein found in 40 to 80 percent of breast cancers.

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Meghan DeMaria

Meghan DeMaria is a staff writer at TheWeek.com. She has previously worked for USA Today and Marie Claire.