Proper handwashing is essential for preventing the spread of disease. Posters in the collection emphasize the importance of washing hands with soap and water for at least 20 seconds, and provide step-by-step instructions for proper handwashing technique.

Safe water storage and treatment can help prevent waterborne illness. Posters in the collection provide guidance on how to properly store and treat water to make it safe for drinking, including using chlorine or other disinfectants, boiling water, and filtering water.

Sanitation and hygiene are important for overall health and well-being. Posters in the collection highlight the importance of proper sanitation practices, such as using latrines or toilets, and disposing of waste safely. They also provide guidance on other hygiene practices, such as brushing teeth, washing clothes, and keeping living spaces clean.