When Gao Buer snatched the syringe from Doctor Sun's hand, he found that half a tube of cowpox had been injected into his arm, Gao Buer was quite speechless, this thing is a vaccine, but it is also a good bacteria, normal people can be vaccinated and squeeze a drop, even if you are a miracle doctor, you can't mess around like this, how can this be good?

Looking at Doctor Sun who was sitting on the side after vaccination, Gao Buer smiled helplessly, he turned to the five death row prisoners who were about to be vaccinated with cowpox: "Although I didn't agree to vaccinate Doctor Sun just now, but you can rest assured, this thing has been tested by Doctor Sun for half a year, and it is already very safe, and now Doctor Sun is the first to be vaccinated with cowpox, so you don't have to ......

"Wandering Sui and Tang" Chapter 221 Cowpox Test (2) is in the middle of the hand, please wait a while,

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