For a description of your topic which will include signs / symptoms, go to the Safety links.

For an additional article, go to the Health Report Sites and search for your topic.  MARVEL (Maine Research Database) would be an excellent choice for an article.

For a visual presentation, use the Research Help button (blue box) to help you find pictures on-line or to get PowerPoint help. 

For on-line video clips and additional information, use the Encyclopedia Britannica in MARVEL.