Influenza viruses are shifty entities. A seemingly ingenious and sneaky way for viruses to make these leaps is by swapping genetic material with other flu strains. Called reassortment, this ...

Guthmiller and her lab members were already trying to figure out the genetic sequences of the receptor-binding domain (RBD) of the H1N1 seasonal flu that regularly infects humans.

Watch patriotic performances and the annual fireworks display at the National Mall in D.C.