Describe health as a state of complete physical, mental, and social well-being, aligning with the definition provided by the World Health Organization (WHO).
Differentiate between communicable and non-communicable diseases.
Explain the biological reasoning for why the presence of one disease can lead to an increased susceptibility to other diseases.
Describe pathogens as disease-causing organisms, specifically identifying viruses, bacteria, fungi, and protists.
Describe the causes and primary symptoms of common infections, including cholera, tuberculosis, Chalara ash dieback, malaria, and HIV.
Explain the transmission routes of various pathogens (waterborne, airborne, and animal vectors) and assess methods by which their spread can be reduced or prevented.
Explain the transmission mechanisms of sexually transmitted infections (STIs), particularly Chlamydia and HIV, and outline preventative measures.