CDC Centers for Disease Control and Prevention - Your Online Source for Credible Health Information

The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world's largest medical library. It collects materials in all major areas of the health sciences and to a lesser degree in such areas as chemistry, physics, botany and zoology. The collections stand at 5 million items--books, journals, technical reports, manuscripts, microfilms, photographs and images. Hous

Todar's Online Textbook of Bacteriology has chapters on general bacteriology and pathogenic bacteria, including Staphylococcus, Streptococcus, Pseudomonas, E. coli, and agents of Anthrax, Cholera, Tuberculosis, Lyme Disease and other bacterial diseases of humans.

Listeria monocytogenes is a bacterium that can contaminate ready-to-eat foods like lunchmeat and soft cheeses. Listeria causes miscarriage and death.

American Pregnancy Association is a national nonprofit for the promotion of pregnancy wellness and education.