How pathogens cause communicable diseases and their prevention mechanisms form the foundation of infection response in biological systems.
- Pathogens including bacteria, viruses, fungi, and protists can spread through direct contact, water, and air
- Understanding ways to prevent the spread of viral infections is crucial, including hand washing, vaccination, and proper ventilation
- Symptoms and prevention of bacterial diseases like salmonella involve recognizing early warning signs and maintaining proper hygiene
- The human body has multiple defense mechanisms including physical barriers and immune responses
- Disease transmission can be controlled through various preventive measures including vaccination and proper sanitation