Zheng Feina's face turned pale as she looked at Zheng Heng. "Humanity has so many brilliant scientists. I... I think they'll definitely be able to invent a cure for the zombie virus, or... a vaccine or something."
"You're too optimistic." Zheng Heng shook his head. "Let's not even talk about how long it takes for a vaccine to go from research and development to production and public release. Just look at our current survival environment. Where will the machinery come from? Where can we find large-scale medical equipment, research apparatuses, and the necessary drugs?"
"Many medicinal plants that were common before the apocalypse have probably gone extinct by now."
"Most importantly, where are we going to get factory workers? The workers have all turned into zombies. The number of living people is dwindling. This is going to become a world for zombies to revel in."
