We talk with May Wang, a graduate student in the Rasmussen lab at North Carolina State University, who studies the fitness dynamics of plant viruses.

We talk with Dr. Pedro Jiménez, an Assistant Professor in the Pontificia Universidad Católica de Chile, who's lab focuses the ecology of avian influenza in Chile and South America.

We talk with Tyshawn Ferrell, a graduate student in the Neufeldt and Piantadosi labs at Emory University, who studies how previous exposure alters dengue virus evolution.