Viruses' copying mechanism demystified, opening the door to new vaccine strategies

Certain kinds of viruses such as those that cause the common cold and hepatitis, copy themselves using a unique mechanism, according to scientists. The discovery sheds light on a never-before-understood region of an enzyme associated with the process of replicating genetic material. The research is an important step toward designing vaccines against viruses that have eluded vaccination strategies in the past, and improving existing vaccines.

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