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Evidence-Based Supplement Research
Evidence-Based Supplement Research

Upper Respiratory Tract Infection

An Upper Respiratory Tract Infection (URTI) is an acute illness caused by an infection of the upper respiratory tract, including the nose, sinuses, pharynx, larynx, or trachea, often leading to symptoms like nasal obstruction, sore throat, and inflammation. These infections are usually viral but can also be bacterial, fungal, or helminthic.

Health Outcomes

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