A medical swab is a small, absorbent tool used in healthcare to collect samples from a patient's body. Typically made of a stick with a cotton or foam tip, swabs are commonly used for testing purposes, such as detecting infections or gathering cells for laboratory analysis. They are essential in diagnosing conditions and monitoring health. Swabs can be used in various medical settings, including hospitals and clinics. They are often employed in procedures like throat cultures, nasal swabs for COVID-19 testing, and wound care. Proper use and disposal of medical swabs are crucial to prevent contamination and ensure patient safety.