I Am A 60 Yr. Old Female With Insulin Dependent

I am a 60 yr. old female with insulin dependent diabetes. I received a pneumoccoccal vaccine in Sept. 2014, while in the hospital following a car accident. I did not remember getting it, I was in ICU. I had my annual physical today and ask to have a Pneumoccoccal vaccine. Tonight, I mentioned it to my husband and he told me I had one in Sept. The information says to get one every 5 years. What can I expect? Am I in danger?