yes e. coli can live on a razor for a while. especially if it is wet and used to shave around their preferred neighborhood (the perianal area). most of the e. coli that causes a uti comes from your own anus not a razor. if you are female sexual activity tends to spread the germs.
can e coli live on a razor? . i have had 2 utis recently and wondered if using a razor with e coli in that area could have caused them.