Shirley Hornbeck's This and That Genealogy Tips: Disease 
Medical terms and list of epidemics with dates and locations.
http://homepages.rootsweb.com/~hornbeck/disease.htmCyndi's List - Medical, Medicine, and Genetics
Includes links to Civil War medicine and hospitals, diseases and medical terms, doctors, genetics and family health.
http://www.cyndislist.com/medical.htm
Genealogy Quest: Diseases
Features a glossary of archaic medical terms used in vital records and documents.
http://www.genealogy-quest.com/glossaries/diseases1.html
Pedigree Reducer
Program for reducing large pedigrees in Linkage format further used for Genehunter genetic program.
http://www.hoschl.cz/faster
Genetics and Genealogy
Essential connections to major online directories.
http://www.academic-genealogy.com/medicalhealthgenealogygenetics.htm
