The document discusses several steps for improving public health, including clean water, good sanitation practices like handwashing and proper disposal of human and animal waste, immunization and vaccination programs, microcredit opportunities, and the benefits of good hygiene. Good hygiene such as washing hands with soap and water after using the bathroom or handling animal/child waste can help prevent over half of diseases and deaths in young children by avoiding the spread of germs through mouths and dirty hands. Proper sanitation includes using toilets, latrines, and keeping living areas clear of animal and human waste.