Can you build an immunity to sinus infection?

So I went to an ear nose throat doctor, and got a CT scan for polyps, and they said that I have rhino sinusitis, it is the worst thing to live with. This is gross but when I wake up in the morning I have to suffer with mucus in my throat and sometimes scrap it off of my throat. If you have this condition, will your... show more So I went to an ear nose throat doctor, and got a CT scan for polyps, and they said that I have rhino sinusitis, it is the worst thing to live with. This is gross but when I wake up in the morning I have to suffer with mucus in my throat and sometimes scrap it off of my throat. If you have this condition, will your body build an immune against infection?
Update: I HAVE CHRONIC. He gave me some nasal sprays, but they don't help. . .
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