Transmissible disease - A disease caused by a pathogen that can be passed from one host to another, Pathogen - An organism that causes disease, Toxin - A poisonous substance released by bacteria, Cholera - A disease caused by bacteria that causes extreme dehydration, Contaminated water - The way the bacteria that cause cholera is passed on, Direct transmission - The transmission of a pathogen in body fluids such as blood, Indirect transmission - The transmission of a pathogen in food, air or by an animal, Good personal hygiene - This is important to prevent the spread of disease before cooking, Contaminated surfaces - An indirect method of transmission. Hygienic food preparation involves cleaning these, Diarrhoea - The major symptom of cholera,

IGCSE Transmissible diseases

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