บท 654: The Root of the Matter

As soon as she finished speaking, Luo Xin, who was beside Yu Sen, immediately added, "So we'll use the most practical actions to prove to everyone how reliable the vaccine is."

As Luo Xin spoke, she picked up the vaccine that she had prepared in advance and walked forward, making it easier for the camera to capture her.

Yu Sen did the same. The two of them injected the vaccine into their bodies in front of the entire Federation's Central City.

All the actions were done in one go. After putting down the used syringe, the two of them walked back to the center of the stage and picked up the microphone on the table.

"The reason why we did this means that we have enough confidence in our research results. Otherwise, we wouldn't have been able to use it on ourselves so easily."