"What distinguishes peace and Kehuna from other rewards? Why did Pinchas merit a double reward?" (source)

"I would say, that although the transgressor isn’t considered a zonah, as you can see in the Magid Mishna 21:8 that we don’t pasken like rav huna that says she would be pasul for kehuna, it’s still relevant as some might think that its considered bi’ah or that it can turn a woman in to a zonah." (source)