KFF Health News
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Critical Gaps in CDC’s Flu Reporting Highlight Public Health Concerns

Emergency room physician Sonya Stokes braces herself for daily surges of flu patients in the San Francisco Bay Area. With symptoms ranging from coughs and fever to vomiting, she faces a challenging situation exacerbated by a lack of timely information from critical health agencies.

The Silent CDC: A Major Public Health Concern

Stokes desperately needs updated data from the Centers for Disease Control and Prevention (CDC), a vital source of flu and public health insights. Since the Trump administration took office, the CDC has become largely unresponsive, leaving her and other health professionals in the dark.

“Without more information, we are blind,” Stokes emphasized, highlighting the urgent need for transparency and timely health updates.

The Severe Flu Season and Missing Reports

The current flu season has been particularly harsh, with the CDC estimating at least 24 million flu illnesses, 310,000 hospitalizations, and 13,000 deaths since October. Additionally, ongoing bird flu outbreaks continue to infect cattle and farmworkers. However, crucial CDC analyses are delayed, and official communication with doctors, researchers, and international organizations is fragmented.

Maria Van Kerkhove, interim director of epidemic and pandemic preparedness at the World Health Organization (WHO), highlighted that the CDC is not updating flu data to global platforms like FluNet and FluID, as it has for years.

“We are communicating with them,” Van Kerkhove said, “but we haven’t heard anything back.”

The Impact of U.S. Withdrawal from the WHO

President Donald Trump announced the U.S. withdrawal from the WHO on his first day in office, leading to a significant disruption in global health communications.

A vital seasonal flu analysis part of the CDC’s Health Alert Network (HAN) has stalled, according to sources familiar with the matter. HAN is the CDC’s primary channel for sharing urgent public health information with officials, medical professionals, and sometimes the public.

Critical Data Goes Unpublished

An internal CDC chart reviewed by KFF Health News suggests flu cases may be at an unprecedented high. Early February data shows 7.7% of clinically attended patients had flu-like symptoms, higher than in severe seasons like 2003-04, which killed at least 153 children.

Without comprehensive analysis, determining potential spikes in hospitalizations or deaths remains uncertain. Key questions include whether illnesses are influenza-related and which flu strains are circulating, affecting severity and contagiousness.

The Urgent Need for Information

Stokes emphasized her need to know if she’s dealing with a more virulent strain or coinfections that complicate patient care. Delays in data can lead to dangerous situations for healthcare professionals.

The CDC’s limited flu dashboard doesn’t provide critical insights and tailored advice essential to healthcare workers. For example, a 2023 report advised testing patients rather than assuming flu diagnoses, as other viruses cause similar symptoms.

Advisory Committee Raises Concerns

On February 10, Advisory Committee to the Director of the CDC members led by Rachel Hardeman wrote to acting CDC Director Susan Monarez, questioning delayed or missing studies and potential severe staff cuts. “The CDC is vital to our nation’s security,” they emphasized.

Several studies on flu and bird flu have also been delayed or remain unpublished in the CDC’s flagship journal, the Morbidity and Mortality Weekly Report. Political oversight of scientific material could suppress information, leading to confusion and potential harm.

Anne Schuchat, a former principal deputy director at the CDC, expressed concern about political interference in scientific reporting, stating, “Suppressing information is confusing, dangerous, and can backfire.”

Unpublished Findings and Delays

A draft of an unpublished bird flu study reviewed by KFF Health News reveals a potential transmission route through human-to-pet contact. In Michigan, a milk hauler and a dairy worker may have spread bird flu to their indoor cats, which became severely ill and died. One worker showed eyesore symptoms and admitted their pet “would roll in their work clothes.”

Another adolescent in the household developed a cough but tested negative for flu and positive for a cold virus.

The study advises dairy farmworkers to remove clothing and footwear before entering households to protect pets, potentially reducing transmission risks.

Another unpublished study focuses on detecting bird flu viruses in U.S. wastewater, providing comprehensive insights into the outbreak’s spread.

The Urgency of Bird Flu Reports

Jennifer Nuzzo, director of Brown University’s Pandemic Center, expressed frustration over delayed bird flu reports. These are essential for public health officials to understand and address the outbreak fully.

“Missing and delayed data causes uncertainty,” Nuzzo said. “It also potentially makes us react in ways that are counterproductive.”

A delayed bird flu study published in the MMWR on February 13 revealed that three cattle veterinarians had been unknowingly infected, based on blood antibody tests. One worked in Georgia and South Carolina, states not reporting dairy farm outbreaks.

The study suggests that the virus spreads less easily from animals to people, and highlights the need for timely data to inform public health strategies.

Shift in Focus: Disrupted Priorities?

Instead of focusing on critical health issues like bird flu, recent CDC reports have centered on wildfires in California and Hawaii, which have since abated.

Nuzzo viewed these reports as less urgent, emphasizing that “interesting but not urgent” topics are being prioritized over ongoing health threats like bird flu.

Schuchat echoed similar concerns, stating, “The American public is at greater risk when we don’t have information on a timely basis.”

Judicial Oversight and Accountability

This week, a federal judge ordered the CDC and other health agencies to restore datasets and websites altered by the administration, as identified by Doctors for America in a lawsuit. The judge also mandated identifying other critical resources and restoring them by February 14.

CDC advisory committee members requested an investigation into missing data and delayed reports, holding accountable the acting CDC director, the head of the Department of Health and Human Services (HHS), and the White House.

Hardeman, a health policy expert at the University of Minnesota, acknowledged the Trump administration’s power to disband the advisory committee. However, she and her colleagues persisted, recognizing their responsibility to safeguard public health.

The Commitment to Public Health

“We want to safeguard the rigor of the work at the CDC because we care deeply about public health,” Hardeman concluded. “We aren’t here to be silent.”

Conclusion

The silence from the CDC during the Trump administration has raised significant concerns among healthcare professionals and public health experts. Critical gaps in flu reporting and delayed data releases have left many in the dark, potentially jeopardizing effective responses to urgent health crises.

As Judge Andrew Hanen orders the restoration of critical datasets and websites, the accountability and transparency of the CDC face scrutiny. The advisory committee’s steadfast commitment to public health highlights the ongoing battle to ensure that vital information remains accessible and reliable.

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