Je was op zoek naar: les maladies des mains sales (Frans - Engels)

en général les contaminations alimentaires viennent des mains sales.
usually, food contamination comes from dirty hands (not from the restaurant, from yourself).

ne touche pas mes livres avec des mains sales.
don't handle my books with dirty hands.

a) la diarrhée (maladie de mains sales):
(a) diarrhoea (the "dirty hands " disease):

maladie des mains, pieds et bouche
hand foot and mouth disease

c’est la grande maladie «des mains sales», de l’incurie de la sanitation et de la chaîne alimentaire.
this is the great disease "dirty hands", the neglect of the sanitation and food chain. bowel movements that lead to human cultivation of citrus land, water sources, by the sea and its products (the vibrio can survive over 15 days in salt water) … all of which can be amplified by the carriage by flies, and especially by the direct inter-human contacts.

c'est pourquoi d'ailleurs, dans certaines régions, le saturnisme a été appelé "maladie des mains sales".
for this reason poisoning is known in some areas as the 'dirty hands disease'.

Étonnamment, aucun cas de choléra, souvent qualifié de maladie des « mains sales », n’a été signalé par les chercheurs !
researchers pointed out that surprisingly, there were no cases of cholera, which is often known as the "dirty-hands disease."