Mobile medical units are self-contained medical facilities on wheels that bring healthcare services directly to patients in underserved communities. These units are equipped with medical equipment, supplies, and staff to provide primary care, diagnostic testing, medicines, and laboratory investigations. Mobile medical units can serve populations that are geographically isolated or face other barriers to accessing healthcare services, such as lack of transportation or financial resources. Mobile medical units have the potential to improve health outcomes and reduce healthcare disparities by increasing access to healthcare services. They can also help to reduce healthcare costs by providing preventive care and reducing the need for more expensive emergency room visits or hospitalizations.