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Week 7: Reducing antibiotic use

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This figure comprises a schematic showing faecal–oral transmission routes and barriers to transmission. The diagram is known as the F-diagram. On the left is faeces. This label is connected via arrows to fluids, fingers, flies, fields and food. These labels are connected directly to a new host via arrows. Fluids, fingers, flies and flies are also connected via arrows to food. There is a vertical line drawn through the arrows between faeces, and flies, fluid, fingers, field and food. This vertical line is labelled primary barrier. There are vertical lines drawn through the arrows connecting fluid, fingers, flies and fields with foods and then also between fluid, fingers, flies, fields and foods, and a new host. These lines are labelled secondary barrier.