PARIS, June 20 (Reuters) - French food group Danone (DANO.PA), opens new tab will step up its focus on health and medical nutrition as it seeks to grow sales and boost cash generation from 2025 to 2028, the company said on Thursday. nThe maker of Activia yoghurt, Evian water and Aptamil baby food, expects to achieve annual like-for-like net sales growth of between 3% and 5% for the 2025-28 period, in line with the target it had set for 2024.