Harper had scabbed over, and his health had returned. They continued to feed him delicacies by hand, but they knew that he wouldn’t be permitted to live. The protocol of the experiment required the euthanasia of all animals, in order to gather more data on the effects of smallpox. And there was a biosafety rule that an animal infected with a Level 4 pathogen could not be taken out of Level 4 alive. Smallpox could leave the facility with the animal.
