1894 – First Health Diagnostic Bacteriological Laboratory in the United States.
The Louisiana State Board of Health established the first State Board of Health Diagnostic Bacteriological Laboratory in the United States. Louisiana became the first state to create a bacteriological laboratory on April 15, 1894 under the direction of Dr. Paul E. Archinard. The bacteriological laboratory was located in the City Hall Annex building which then stood at…