Yes here are some links on immunity after infection:

https://www.israelnationalnews.com/News/News.aspx/309762
"nearly 40% of new covid patients were vaccinated, compared to just 1% who were previously infected"

https://immunology.sciencemag.org/content/5/52/eabe0367
https://www.nature.com/articles/d41586-021-01557-z
https://science.sciencemag.org/content/371/6529/eabf4063
https://www.nature.com/articles/s41586-021-03647-4