20210415-flu.jpg

A Colorized structure of a prototype for a universal flu vaccine, known as H1ssF_3928, which is being evaluated as part of a Phase 1 clinical trial at the NIH Clinical Center in Bethesda, MD. The vaccine nanoparticle, designed by Jeffrey Boyington (VRC), is a hybrid of a protein scaffold (blue) and eight influenza hemagglutinin proteins arrayed on the surface (yellow). The hemagglutinin protein wa