Glandular Fever More Condition_treatment Can You Get Glandular Fever More Than Once?

Can you get glandular fever more than once? - glandular fever more condition_treatment

I'm so confused, I have now, but I've heard that if you overcome it remains in your body, and again in May at a later stage in life?
Is this true, because I also heard as soon as it appears, are immune for life. Please enlighten me on this point