| | American Assoc of Asthma, Allergy & Immunology | http://www.aaaai.org/ | Main Page1 |
| | American Academy of Pediatrics | http://www.aap.org/parents.html | Main Page1 |
| | Center for Disease Control - epidemics and health crises.Center for Disease Control - epidemics and | http://www.cdc.gov | Main Page1 |
| | Center for Disease Control Travel Site | http://www.cdc.gov/travel | Main Page1 |
| | Mayo Clinic | http://www.mayoclinic.com/ | Main Page1 |