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As well as treating roundworm infections with medication, the infection can be controlled by improving sanitation and health education.

Although treatments are usually effective, preventing roundworm infections that affect tropical countries is very challenging.

Infection control

Good hand hygiene can help prevent the spread of roundworm. Always wash your hands thoroughly:

Travel advice

You'll need to take extra precautions when travelling to parts of the world where roundworm is widespread, sanitation is poor and the climate is hot.

Places where roundworm is particularly widespread include:

If you're travelling to these parts of the world, you should:

Read more about travel health and food and water abroad.