This is very good news.
"The studies, which have yet to be peer-reviewed, uncovered that antibodies and immune cells capable of recognizing the virus were apparently present months after infections concluded. The findings could help to eliminate the previous concerns over whether the virus could trick the immune system into having a poor memory of prior infections."
https://www.foxnews.com/health/lasting-immunity-seen-mild-covid-19-infection-studies-say
"The studies, which have yet to be peer-reviewed, uncovered that antibodies and immune cells capable of recognizing the virus were apparently present months after infections concluded. The findings could help to eliminate the previous concerns over whether the virus could trick the immune system into having a poor memory of prior infections."
https://www.foxnews.com/health/lasting-immunity-seen-mild-covid-19-infection-studies-say