Major Epidemics and Pandemics in American History
Smallpox, yellow fever, cholera, influenza, and COVID-19 have marked key moments in the history of disease in america. The 1918 influenza pandemic caused an estimated 675,000 U.S. deaths, while COVID-19 led to over 1.1 million reported U.S. deaths by 2023, according to the CDC. The CDC tracks morbidity and mortality data that shapes current public health priorities.
Federal agencies such as the CDC and the Food and Drug Administration coordinate surveillance, vaccine authorization, and treatment guidelines. The FDA issued emergency use authorizations for multiple COVID-19 vaccines and therapies, while the CDC updated isolation and masking guidance based on hospitalization and wastewater data.
Institutional Responses and Public Health Infrastructure
Federal and State Public Health Systems
The U.S. public health system relies on the CDC, state health departments, and hospitals to manage outbreaks. The CDC's Advisory Committee on Immunization Practices sets vaccine recommendations that influence insurance coverage and school entry requirements.
The CDC's Vaccine Adverse Event Reporting System and the FDA's MedWatch program collect post-market safety data. These systems support rapid updates to vaccine labels and guidance for high-risk groups, including older adults and immunocompromised individuals.
Modern Disease Trends and Data Sources
Chronic Disease and Surveillance
Heart disease, cancer, diabetes, and opioid overdose remain leading causes of death in the United States. The CDC and the National Institutes of Health publish annual reports on incidence, mortality, and risk factors tied to lifestyle, genetics, and access to care.
Real-time data from the CDC's National Center for Health Statistics and the Healthcare Cost and Utilization Project inform hospital capacity planning and research funding. The CDC's Wonder database provides public access to mortality and disease trend files used by researchers and policymakers.