Well, he is very welcome to die in her arms and leave her to wander off in a fever-pitch of, well, fever and hunger-hallucinations and Capitol created perceptions and sizzle herself on the barricades.

Actually, in the novel, I think she had pneumonia. She is just incredibly, incredibly strong in that respect. I mean, she survived Les Madelonnettes without contracting cholera or TB from the overflowing toilets. Either Hugo didn't care or she has a fab immune system.