New experimental vaccines use viral DNA and proteins to help animals' immune systems fight the virus that causes Middle East respiratory syndrome. The vaccines stimulate the production of antibody proteins that latch onto and disable the MERS virus, researchers report July 28 in Nature Communications. When attacking MERS viruses, antibodies target a virus protein called the Spike glycoprotein. The scientists designed vaccines containing either the viral DNA with the genetic blueprint for making this protein, or a section of the protein itself.
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