Jonah Sacha, Ph.D., senior co-author of a study published today in the journal Nature Communications, says new research could lead to a universal influenza vaccine withing five years. (OHSU/Christine Torres Hicks)

Jonah Sacha, Ph.D., senior co-author of a study published today in the journal Nature Communications, says new research could lead to a universal influenza vaccine withing five years. (OHSU/Christine Torres Hicks)