New research findings show that a single dose of vitamin A given to infants at birth can reduce their risk of death by 15 percent.
Bloomberg School researchers determine that adult male circumcision significantly reduces a man's risk of getting HIV.
The School's name is changed to the Johns Hopkins Bloomberg School of Public Health in honor of Michael Bloomberg for his financial support and commitment to the field of public health.
Virologist Keerti Shah co-authors the study linking cervical cancer to the human papilloma virus (HPV).
Susan P. Baker develops the Injury Severity Score—a key tool in injury prevention.
D. A. Henderson begins leading the World Health Organization's campaign against smallpox—which is declared eradicated in 1980.
Anna Baetjer, a well-known researcher in occupational health who linked chromium exposure to lung cancer, establishes the environmental toxicology program.
The U.S. Congress expands the National Institutes of Health, signaling the rise of major federal support for chronic disease research.
The Johns Hopkins School of Hygiene and Public Health and the Johns Hopkins School of Medicine establish a joint training program for medical officers in the U.S. armed forces.
The Certificate of Public Health (CPH) degree is renamed the Master of Public Health (MPH) degree.
The Social Security Act passes with titles to provide training for public health professionals and to establish a national network of state and local health departments—the School’s enrollment doubles as a result.
An agreement between the Johns Hopkins School of Hygiene and Public Health and the Baltimore City health department establishes the Eastern Health District in a one-square-mile area of the city near Johns Hopkins Hospital. The district becomes a base for public health research programs conducted with financial support from the Rockefeller Foundation and the U.S. Public Health Service.
On August 12, the Johns Hopkins School Hygiene and Public Health begins the move to its new building at East Monument and Wolfe Streets in Baltimore.
After several years of studying nutrition-related issues, Elmer V. McCollum and his team discover vitamin D. Charles Simon also introduces the School’s first course in virology.
The Certificate of Public Health program is established and William H. Welch founds the American Journal of Hygiene.
Shortly after William H. Welch announces that Johns Hopkins University has received a grant from the Rockefeller Foundation to establish a school of hygiene, the Johns Hopkins School of Hygiene and Public Health is founded.
Johns Hopkins University is founded in Baltimore and is the first university in the western hemisphere to be based on a model of the European research institution—where research and the advancement of knowledge are intertwined with teaching.
Mr. Hopkins dies at the age of 78, leaving $7 million to the two institutions—the largest philanthropic bequest in U.S. history at the time.
With the money he made from establishing his own mercantile house and investing in the nation's first major railroad, Mr. Hopkins arranges for the incorporation of Johns Hopkins University and Johns Hopkins Hospital.
Johns Hopkins is born on his family's tobacco plantation in southern Maryland.