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Classification of diseases

Different types of disease

Examples of infectious diseases

Transmission of infectious diseases

Endemic, epidemic and pandemic diseases

Infectious diseases – modes of transmission

Spanish influenza

Types of parasite

Castor bean tick – suction oral apparatus

Common parasitic diseases

Parasitic diseases


Causes of genetic diseases

Genetic diseases

Characteristic of genetic diseases

Environmental diseases

Environmental factors that cause diseases – wider environment

Environmental factors that cause diseases –  personal environment

Factors of environmental diseases

Immune response

Examples of autoimmune diseases

Autoimmune diseases