‘Mutant’ Lice Resistant to Treatment Found in 25 States

Lice populations in the states in pink have developed a high level of resistance to some of the most common treatments.

Head lice are freaky enough as-is, but new research has discovered there’s a strain of mutant lice that is resistant to over-the-counter treatments — and they’re found in at least 25 U.S. states.

Kyong Sup Yoon, PhD, an assistant professor at Southern Illinois University, presented his findings Tuesday at the American Chemical Society’s National Meeting & Exposition.

Yoon and his team collected lice samples from a large number of populations across 30 states in the U.S. They discovered that 104 out of 109 lice populations had high levels of gene mutations, which make them resistant to pyrethroids.

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(Exodus 8:16 KJV) And the LORD said unto Moses, Say unto Aaron, Stretch out thy rod, and smite the dust of the land, that it may become lice throughout all the land of Egypt.

(Exodus 8:17 KJV) And they did so; for Aaron stretched out his hand with his rod, and smote the dust of the earth, and it became lice in man, and in beast; all the dust of the land became lice throughout all the land of Egypt.

(Exodus 8:18 KJV) And the magicians did so with their enchantments to bring forth lice, but they could not: so there were lice upon man, and upon beast.

(Exodus 8:19 KJV) Then the magicians said unto Pharaoh, This is the finger of God: and Pharaoh’s heart was hardened, and he hearkened not unto them; as the LORD had said.