Why do we develop immunity to viruses but not bacteria?

[Andy_L]

@CookingWithGas

I’ve had strep a dozen times, but you get chicken pox once and you’re done.

We discussed this a while back - chicken pox is one of those things that you can get more than once (not even counting shingles):

No, we don't all need to "get it eventually"

I found this paper from the Journal of the American Association of Pediatrics https://pediatrics.aappublications.org/content/109/6/1068?sso=1&sso_redirect_count=1&nfstatus=401&nftoken=00000000-0000-0000-0000-000000000000&nfstatusdescription=ERROR%3A+No+local+token "Results. Among varicella cases reported to the surveillance project, 4.5% of cases in 1995 and 13.3% of cases in 1999 reported previous varicella. More than 95% of first infections were physician diagnosed, epidemiologically linked…