“Now, anyway, we knew who was which blood type.
In addition to the beating he'd received from Chloe, Max was also starting to blister up (type A). The McKinley twins were hiding from us - they clearly had the paranoia (type AB). Ulysses was chattering to himself in Spanish, a rapid-fire monologue that made me pretty sure he had the paranoia type - type AB - as well as the twins.
Batiste had type B, the blood type that exhibited no symptoms, as did Alex, Jake, and Sahalia (sterility and reproductive failure - hooray!).
"We have to get them clean," Brayden said.
"You think?" I sort of shouted at him (type O).”
―
Emmy Laybourne,
Monument 14