The Division of Microbiology and Infectious Diseases (DMID) is a division of the National Institute of Allergy and Infectious Diseases (NIAID), which is a component of the National Institutes of Health (NIH), U. S. Department of Health and Human Services (DHHS). DMID supports extramural research to control and prevent diseases caused by virtually all infectious agents except HIV. These activities include clinical trials to evaluate experimental drugs and vaccines.