When the sea trial of the ironclad ship was successful, there was also good news from Sun Simiao, who was doing cowpox tests on an overseas island, which made Gao Buer greatly relieved, and he had been worried about what to do if the cowpox vaccine could not be developed before going to Chang'an, and if it was suddenly terminated, Dr. Sun probably would not agree, and Li Er would not agree. Now that God has opened his eyes, he finally has eyebrows.

Taking advantage of the morning mist, Gao Fuji only took Zhang Zhongping to quietly go out to sea by boat, except for the Yangtze River estuary to the south, there is a small island less than 100 miles, initially ......

"Wandering Sui and Tang" Chapter 220 Cowpox Test (1) is in the middle of the hand, please wait a while,

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