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Following the appearance during the summer of 2024 of several cases of gastroenteritis among hikers in GR20, and in order to prevent a new epidemic wave , the ARS of Corsica reminds the measures of precaution and recommendations :

Respect the simple hygiene rules 

Wash your hands frequently, and especially after having gone to the toilet, before preparing a meal and before eating and before eating. Use soap or a hydroalcoholic solution complying with standard EN 14476.

Treat or filter the water before consumption

Use tablets purification, portable filters or boil the water before drink.

In case of symptoms of gastroenteritis

Avoid preparing meals for others while you have symptoms, up to 48 hours after the end of symptoms.

If necessary, call the 15 A doctor will give you response adapted to your situation.