I literally came here after abandoning an online search for trustworthy-looking information on the past death rate for smallpox, thinking old hardcopy sources would be somewhat more trustworthy, and wondering if recent chicken pox exposure would help prevent symptoms. I am not a doctor, but my mother was, so I'm just saying I would do what she would do. She used to expose herself to chicken pox at every opportunity, maybe shaking the kid's hand, after she realized it kept her from getting another virus, cold sores, for a year.

I linked in my mind what my mom did, with the fact chicken pox has been suppressed in recent decades, maybe because the people who are getting the U.S. government to approve and spend $113 million on smallpox treatment http://www.jimstone.is/1/herecomesthepox.png know something, but this is my speculation that affects my behavior and I'm just mentioning it. I'm aware chicken pox isn't a benign 2-week school vacation for everyone. (It was like winning the lottery when I was in elementary school in the 80s.)

Extra 1: Minister Jonathan Edwards died in 1758 after being innoculated for smallpox. [A simple internet search will confirm, pick your source.]

Extra 2: https://www.webmd.com/a-to-z-guides/smallpox-causes-treatment#:~:text=Smallpox%20Complications,-If%20people%20got&text=People%20who%20survive%20smallpox%20may,miscarriage%20or%20stillbirths%20in%20women.

Smallpox may also cause infertility in men, and it may cause miscarriage or stillbirths in women.Jun 24, 2020