| Name | Info | Provider | Link |
|---|---|---|---|
| Germs and Hygiene | free resource | MedlinePlus Health Information | https://medlineplus.gov/germsandhygiene.html |
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=11469502.ui | |
| subscription/membership/fee required | Wiley | https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0903-4641&date=2001&volume=109&spage=299 |