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"No need for thanks, you can just prepare a couple of nice dishes for me later. You know I'm only nice to you because of your family's cooking." Doctor Luo's bantering tone was completely different when speaking with Xiao'er, showing how familiar they were.

"Of course, I'll make sure it's worth your while. What would you like? I'll cook it personally." Xiao'er responded cheerfully.

"Anything will do, I'm not picky! I'll have to head out now, the Imperial Hospital is busy with the cowpox vaccinations, I'll drop by for the meal after that's done."

Lately, all of the imperial doctors at the Imperial Hospital were extremely busy, vaccinating the palace staff and the occupants of the civil and military officials' families against cowpox.

Because people generally tend to develop a fever after vaccination, they were also constantly summoned to and fro among the officials' residences.