Fajr Essam Saifuddin
Medicine Student, Saudi Arabia
Publications
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Research Article
Association Between Vitamin D Status And Upper Respiratory Tract Infections In Saudi Children Under Five A Prospective M
Author(s): Azizah hendi saleh aljohany*, Fajr Essam Saifuddin, Fatmah Khaled fallatah, Amjad Mustafa Altunusi, Noor Abdulrahman Abdulrahim Basunduwah, Teaf Jamal Mohammed Holbah, Rawiah Yahya Ahmed Mushari, Njood Faris Al-Nahdi, Shatha Abdullah Almuyidi, Abdulaziz Fahad Salamh, Razan Mohammed Alotaibi, Ashwaq Arar Alruwaili and Amal saleh hamdi alsofyany
Background: Vitamin D plays a critical role in immune regulation and has been implicated in susceptibility to respiratory infections, particularly in children. Despite abundant sunlight, vitamin D deficiency remains widespread in Saudi Arabia, especially among infants and toddlers. Objective: To investigate the association between vitamin D status and the frequency, severity, and recurrence of upper respiratory tract infections (URTIs) in Saudi children under five years of age. Methods: This prospective study enrolled 330 Saudi children aged ≤5 years from multiple healthcare centers. Participants were classified into vitamin D–deficient,–insufficient, or –sufficient groups. Data on URTI episodes, symptom duration, emergency visits, hospitalizations, and seasonal variation were collected and compared. Multivariate logisti.. Read More»