Black and White Spots on Comb

[CaprineQueen]

My rooster has a white and black flecks (pretty small) on his comb and a few black spots on his wattles. One of his favorite girlfriends, my hen Peanut, is now displaying these symptoms as well but the pace seems accelerated with her. Her comb is pale with black and white spots, and she seems a little listless. I can't tell whether they're suffering from Fowl Pox/Avian Pox or Favus. It almost looks like frostbite or something, but it's spring in Texas so...there's no way it's that. Does anyone have a keen eye for discerning whether this could be Favus or Pox?