I've heard you are immune if you get Covid-19, but then I see an article like this that states that there just isn't enough data yet to be 100% sure.
https://www.reuters.com/article/us-health-coronavirus-britain-antibodies/most-covid-19-patients-get-antibodies-but-immunity-unclear-uk-official-idUSKBN22G2AA
https://www.reuters.com/article/us-health-coronavirus-britain-antibodies/most-covid-19-patients-get-antibodies-but-immunity-unclear-uk-official-idUSKBN22G2AA