By tracking the evolution of what may be our oldest means of fighting off viral infection, a group at the Weizmann Institute of Science has uncovered a gold mine of antiviral substances that may lead to the development of highly effective antiviral drugs. These substances are made by virus-fighting enzymes known as viperins, which were previously known to exist only in mammals, and have now been found in bacteria. The molecules produced by the bacterial viperins are currently undergoing testing against human viruses such as the influenza virus and COVID-19.

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Thursday, September 24, 2020