Flu viruses have evolved proteins that let them break through mucus

Computer simulations of how influenza A moves through human mucus found it is ideally configured to slide through the sticky stuff on its way to infecting cells

​Computer simulations of how influenza A moves through human mucus found it is ideally configured to slide through the sticky stuff on its way to infecting cells Computer simulations of how influenza A moves through human mucus found it is ideally configured to slide through the sticky stuff on its way to infecting cells