fectious genes; it’s a mixed-species biological warfare agent," explained a technician beside He Yan."Don’t give me all these technical terms, I don’t understand," said Wang Zheng impatiently. "What a...said. He couldn't tell Ningxia about his duties with State Security."It's too sudden."For some reason, when Ningxia heard this, she felt a void in her heart as if something important was missing.Wang...