Backbone of RNA viruses uncovered

Abstract

The evolutionary history of viruses is largely unknown. Large-scale discovery of vertebrate RNA viruses shows that, although viruses often jump between hosts, most have co-evolved with their hosts over millions of years. The evolutionary history of viruses is largely unknown. Large-scale discovery of vertebrate RNA viruses shows that, although viruses often jump between hosts, most have co-evolved with their hosts over millions of years.