How prevalent is HeLa cell contamination still?

[gravenewworld]

This has been a well known problem that has caused millions of dollars of research and thousands of man hours to be wasted. Is HeLa cell contamination still a huge problem that people still don't bother to check for? Are there certain vendors that verify cell lines for this contamination before shipping?

 

[Kinase]

I'm pretty sure you're supposed to check for that, and whoever is on the receiving end of something should check for it too. Although I'm thinking a lot of people don't bother checking. One of my professors said they had an issue once.