Yes, I have worms crawling out of the toilet manholes. But the funny thing is the worms only appear during the time when I had my part-time cleaner to clean my house twice a week. Yes, the worms even crawled in-between the bristles in the brush I use for scrubbing the floor. But ever since I terminated my part-time cleaner's services and do the cleaning myself, the worms have not appeared since. What I did was to scrub the manhole religiously and spring clean the whole bathroom area every week.
So is your part-time cleaner did not do a proper cleaning? That's why worms started to appear?