* Simple: "I'm immune to the flu this year, thanks to my vaccination."
* Figurative: "She's immune to his charms, no matter how hard he tries."
* Formal: "The research suggests that certain individuals may be genetically immune to certain diseases."
* Negative: "He thinks he's immune to the consequences of his actions."
* With a preposition: "She's immune from criticism, as she's the CEO."
Let me know if you'd like more examples!