National Institutes of Health
- The primary NIH organization for research on Infectious Diseases is the National Institute of Allergy and Infectious Diseases
Infectious diseases kill more people worldwide than any other single cause. Infectious diseases are caused by germs. Germs are tiny living things that are found everywhere - in air, soil and water. You can get infected by touching, eating, drinking or breathing something that contains a germ. Germs can also spread through animal and insect bites, kissing and sexual contact. Vaccines, proper hand washing and medicines can help prevent infections.
There are four main kinds of germs:
NIH: National Institute of Allergy and Infectious Diseases
References and abstracts from MEDLINE/PubMed (National Library of Medicine)