Any worker assigned to a position presenting particular risks to his health or safety or to that of his colleagues or third parties in the immediate working environment, as defined in article R. 4624-23, will benefit, after the pre-recruitment medical examination, from a renewal of this visit, carried out by the occupational physician at intervals which he will determine and which may not exceed four years. An interim visit is carried out by a health professional mentioned in the first paragraph of article L. 4624-1 no later than two years after the visit with the occupational physician.