The kicker is patients won't have any recourse if they find they have contracted HIV or hepatitis. They have no way to prove that their condition resulted from this and not other contact. It's not fair, but any lawyer could cast enough doubt to reduce claims to nothing.
A high tech clinic that impressed patients because it was so modern, put thousands of lives at risk over equipment valued at less than a dollar. What a waste.
There have always been businesses and professionals who cut corners, Consumers and patients must be more vigilant to protect themselves. I dare say this type of stuff will only get worse.