After entering the house, she saw Guoguo rolling around laughing. She went up to them and scolded them. "Gu Chengrui, to think that you're a doctor. Aren't you afraid that she'll get a headache from rolling around?"
Gu Chengrui turned his head and saw her. His expression froze as he asked, "You're back?"
Zhou Ying did not scold him anymore. Instead, she picked up Guoguo and asked, "Has the epidemic been dealt with?"
Gu Chengrui sat up and tidied his clothes. "Other than the virus I left behind, the rest are all destroyed.
"However, I proposed using cowpox to build immunity, so I'll have to leave for another two to three months after three days."
Although Zhou Ying was reluctant to see him leave, she knew that this was a big deal. She could only answer, "Alright. Prepare well in the next two days. Bring everything that might be needed."
