Jordan Miller, Arizona State University
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The Trump regime ordered the CDC to pull this
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In just a few short weeks, the Trump administration has brought drastic changes to the Centers for Disease Control and Prevention and public health. Beginning with the removal of websites and key public health datasets in January 2025, the Trump administration has taken actions to dismantle established public health infrastructure as part of its second-term agenda.
In addition, the administration has begun a widespread purge of the federal public health workforce. As of Feb. 19, around 5,200 employees at the CDC and the National Institutes of Health had been let go. About 10% of the CDC’s staff have been removed, with plans for additional firings.
As a teaching professor and public health educator, I, like thousands of other health professionals, rely on CDC data and educational resources throughout my work. CDC websites are the first stop for health information for my students and for health care practitioners, and are vital to protecting the U.S. from infectious diseases, like avian flu and COVID-19, as well as noninfectious health conditions, such as diabetes and heart disease.
Here’s a quick look at what the CDC does to protect Americans’ health, and how it’s likely to be affected by the Trump administration’s actions:
Gutting the CDC’s capacity
Prior to the February cuts, the CDC employed over 10,000 full-time staff in roles spanning public health, epidemiology, medicine, communications, engineering and beyond to maintain this critical public health infrastructure.
In addition to the centers’ wide variety of functions to protect and promote public health in the U.S., a vast amount of research in the U.S. relies on CDC data. The CDC obtains data from all 50 states, territories and the District of Columbia, which is collated into widely utilized databases such as the National Health and Nutrition Examination Survey, National Health Interview Survey and Behavioral Risk Factor Surveillance System.
Several of these datasets and CDC websites were removed at the start of the second Trump term, and while they are currently back online due to a federal court order, it remains to be seen if these important sources of information will remain accessible and updated going forward.
The CDC also publishes the Morbidity and Mortality Weekly Report, which allows for ongoing and timely surveillance of key health conditions. The reports cover a wide range of topics, including wildfires, motor vehicle accidents, autism, asthma, opioids, mental health and many others. The CDC plays a central role in monitoring and reporting the spread of flu in winter months through its FluView, which informs clinical practice as well as public health interventions.
Physicians are reporting that their ability to respond to the surges in respiratory viruses they are seeing has been hobbled by the missing data and by prohibitions on CDC staff communicating outside the agency.
The CDC’s famed “disease detectives,” part of the Epidemic Intelligence Service, appear to have been spared following public outcry after more than half of its members were initially told they would be let go as part of the Feb. 14 mass layoffs.
It remains to be seen if this group will remain intact long term. Concerns are growing that shakeups to the nation’s infectious disease surveillance teams will hamper the government’s ability to respond effectively at a time when avian flu and measles are growing concerns in the U.S.
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