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4.1.1
What is meant by the term health and disease?
What is meant by the term parasite?
What is meant by the term pathogen?
What are the four main types of pathogens?
Describe the different types of pathogens that can cause communicable diseases in plants and animals.
Describe the means of transmission of bacterial pathogens.
Describe the means of transmission of virusal pathogens.
Describe the means of transmission of Fungal pathogens.
Describe the means of transmission of Protoctistal pathogens.
What is meant by the term transmission?
What are vectors?
Describe the means of transmission of malaria.
Describe the global impact of Malaria.
Describe the means of transmission of HIV/AIDS.
Describe the global impact of HIV/AIDS.
Describe the means of transmission of TB.
Describe the global impact of TB.
What is meant by the term ' Direct transmission' ?
Give a few examples
