Harper Shi Among the Royals Chapter 50

The crown prince contracted smallpox, and the capital was under lockdown for three days before it was lifted.

Harper Shi didn't know why Aunt Lingfang was always worried these days. When she asked, she just shook her head and said nothing.

Because several patients with smallpox appeared in the city, Harper Shi no longer visited Aunt Zoe's house in the past few days, but began to think about effective ways to prevent smallpox at home.

As a modern person, I am no stranger to smallpox. Most people know that if you want to prevent smallpox, you need to get vaccinated with cowpox, and cowpox is taken from cows that have contracted smallpox.

If she wanted to develop cowpox, that would be the difficulty.