Scientists tested vitamin D for COVID and found an unexpected long COVID clue ↗ sciencedaily.com ↗ 15-03-2026 Algemeen nieuws Scientists tested vitamin D for COVID and found an unexpected long COVID clue ScienceDaily Automatisch gemaakte samenvatting (AI), kan fouten bevatten. Lees de bron. Bron: https://www.sciencedaily.com/releases/2026/03/260315001845.htm