Ah Chen watched as the virus completely disappeared from the mutant rooster's body. Now it could only be considered a relatively strong rooster. Whether it had any superpowers still needed testing, but it was no longer as dangerous as a mutated creature. Even if it attacked and humans were caught, it was impossible for them to be infected by the virus.
She accomplished this by instructing 997 to modify values while commanding the zombies to act, trying to keep things logical and grounded so that these things could be usable once the two worlds converged.
If things were unreasonable, even if they could be used, they couldn't be replicated, and the problem would revert to how it was initially.
So, the concoctions developed by the zombies were all things that could be made under real-world conditions.
