Chapitre 284: Use a Hydrogen Bomb?

"Buy specific virus vaccine preparation technology." Li Chengqian silently chanted in his heart without any hesitation.

[You have consumed 500 million experience value points and obtained the technology to prepare a specific virus vaccine! Current experience value points remaining is 750 million.]

After the translucent notification appeared, all the information about this technology was transmitted to Li Chengqian's mind.

All the details of the technology were extremely clear to Li Chengqian, it was as if Li Chengqian had used this technology countless times.

After obtaining the technology to prepare a specific virus vaccine, Li Chengqian fell into deep thought.

"Specific virus vaccine preparation technology can indeed be used to prepare a vaccine for the asphyxiation virus."