Unfortunately, he didn't know.
So, Zhang Yuan obediently brought the topic back to the main topic.
"Ancestor, in fact, the best solution to smallpox in ancient times was to vaccinate everyone with cowpox when they were young. Because smallpox only occurs once in a person's lifetime, and the pathogen of cowpox is extremely similar to smallpox, using cowpox as a substitute can avoid a large number of deaths and infections."
"Of course, it's useless to say this now, but you can put the cowpox vaccination process on track after you return to Xianyang."
The First Emperor nodded, feeling even more helpless.
This is a good idea.
But why didn’t Xiao Zhang tell us how to treat people who have smallpox now?
His expression was too helpless, and Zhang Yuan scratched his head embarrassedly.
"Hey, okay, old ancestor, stop looking at me like that. I'm going to tell you the key point."
"The smallpox virus has disappeared in our modern times because everyone has been vaccinated since childhood. Even if you haven't been vaccinated, it is easy to treat."
"Come over tomorrow. Commander Wang will have prepared the medicine. You just need to distribute it and let them take it as needed."
Finally, the First Emperor breathed a sigh of relief.
He waited so long just to get a positive answer from Zhang Yuan.
Now that I know that future generations’ medicines can easily solve the problem, I feel much more relaxed.
This time, the First Emperor became interested and began to slowly taste the food on the table.
Across the table, Zhang Yuan still didn't stop talking.
"Ancestor, there is..."
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