In the départements mentioned in article L. 3114-5, the provisions of this book do not apply to examinations carried out in places far from any medical biology laboratory with a view to diagnosing and treating some of the diseases mentioned in the same article, which are likely to represent a vital risk in the short term. These examinations, the list of which is set by decree, are carried out by a nurse or by staff from care or prevention structures who have received appropriate training.