Fighting ‘The New Polio’ In An Era Of Defunded Science

While the jury is still out on why the previous pattern of spikes hasn’t returned, Kevin Messacar says it may be a function of good luck. Or evolutionary biology. Take your pick. “There are a variety of theories … one is that the virus changed,” says Messacar, an infectious disease specialist at Children’s Hospital Colorado and founding member of the CDC’s now-disbanded AFM advisory group.