'Super flu' on the rise in Arizona
Valley hospitals are seeing a significant surge in flu cases, as Arizona numbers spiked in the past week. FOX 10's Steve Nielsen learns more about this widespread A mutation of influenza a, called Subclade K.
Valley hospitals are seeing a significant surge in flu cases, as Arizona numbers spiked in the past week. FOX 10's Steve Nielsen learns more about this widespread A mutation of influenza a, called Subclade K.