1. Antimicrobial Therapy: This includes antibiotics, antivirals, antifungals, and antiparasitics, tailored to target specific pathogens. Misuse of these therapies can lead to antimicrobial resistance, a significant public health threat. 2. Vaccination: Vaccines stimulate the immune system to recognize and fight specific pathogens, preventing the onset of disease. 3. Quarantine and Isolation: Limiting the movement of infected individuals to prevent the spread of contagious diseases. 4. Public Health Measures: These include promoting hand hygiene, safe food practices, and vector control to reduce the transmission of diseases.