The Chicken–Egg Dilemma: Legionnaires’ Disease and Retrograde Contamination of Dental Unit Waterlines

“

I wrote a letter to Lancet as soon as the original manuscript that I criticized was published but at that time some important information, not reported by the original manuscript, was already missing. A recent declaration released by the dentist, as well as the original documents regarding the microbiological surveillance, showed that the reported causal association between dental therapy and Legionnaires' Disease was not as clear as it could be thought

”