But you're dead," said Harry. "Oh yes," said Dumbledore matter-of-factly. "Then...I'm dead too?" "Ah," said Dumbledore, smiling still more broadly. "That is the question, isn't it? On the whole, dear boy, I think not.” They looked at each other, the old man still beaming. "Not?" repeated Harry. "Not," said Dumbledore. "But…" Harry raised his hand instinctively toward the lightning scar. It did not seem to be there. "But I should have died—I didn't defend myself! I meant to let him kill me!" "And that," said Dumbledore, "will, I think, have made all the difference.
J. K. RowlingRemus Lupin was supposed to be on the H.I.V. metaphor. It was someone who had been infected young, who suffered stigma, who had a fear of infecting others, who was terrified he would pass on his condition to his son. And it was a way of examining prejudice, unwarranted prejudice towards a group of people. And also, examining why people might become embittered when they're treated that unfairly.
J. K. RowlingOnly one pair was still battling, apparently unaware of the new arrival. Harry saw Sirius duck Bellatrix's jet of red light: he was laughing at her. 'Come on, you can do better than that!' he yelled, his voice echoing around the cavernous room. The second jet of light hit him squarely in the chest. The laughter had not quite died from his face, but his eyes widened in shock.
J. K. Rowling