Association Between Vitamin D Status and Lower Respiratory Tract Infection in Children Under Five Years of Age
Objective: This study aimed to evaluate serum 25-hydroxyvitamin D [25(OH)D] levels in children aged 0–5 years presenting with lower respiratory tract infection (LRTI) and to investigate the association between vitamin D deficiency and infection severity. Methods: In this prospective controlled study, a total of 100 chi...