Can I die from E. coli?

I’m just really worried cuz the other night I had anal sex then oral sex without him cleaning himself. At the time I didn’t think much of it cuz I was wasted (I know stupid idea and will never happen again) and earlier I asked ppl if they think I could get an infection and lots of them said E. coli. Now I’m extremely scared because I was looking up symptoms and some were saying you could die from it. I’m not ready to die and I feel so stupid for making this mistake I just wanna cry