In Terraria, which debuff does the ankh charm not provide immunity to?

The Ankh Charm in Terraria provides immunity to a variety of debuffs, including Poison, Confusion, Slow, Darkness, Silenced, Broken Armor, Weakness, Cursed Inferno, and Chilled. However, it does not provide immunity to Venom, which is a separate debuff that inflicts damage over time on the player.