Some viruses like to cheat – and that may be good for our health

Mutations can result in viruses that infect cells, but can’t copy themselves without help from other viruses – now it seems these cheats may outnumber normal viruses in a third of influenza cases, reducing the severity of infections

​Mutations can result in viruses that infect cells, but can’t copy themselves without help from other viruses – now it seems these cheats may outnumber normal viruses in a third of influenza cases, reducing the severity of infections Mutations can result in viruses that infect cells, but can’t copy themselves without help from other viruses – now it seems these cheats may outnumber normal viruses in a third of influenza cases, reducing the severity of infections