Health Denmark reports 199 Listeria cases from 2023-2025, mostly in elderly and high-risk groups by Dr Natalie Singh - Health Editor April 17, 2026 by Dr Natalie Singh - Health Editor April 17, 2026 Denmark reported 199 cases of invasive Listeria infection between 2023 and 2025 according to data from the Statens Serum Institut. Only four of ten recent Listeria outbreaks were solved in … 0 FacebookTwitterPinterestEmail