[header] How to teach personal hygiene [title] Explain the concept of germs and bacteria. [step] Parenting magazine suggests you can do this with books, such as " germs are not for sharing " or " germ stories. " you can also do a miniature science experiment where you show your child or classroom videos or microscope slides of typical bacteria found on the hands. 
[substeps] You can find some videos on you tube. You can also visit the themayoclinic.com or cleaninginstitute.