A coalition representing major medical and public health organizations has launched a significant legal challenge against the U.S. Department of Health and Human Services (HHS) and its head, Secretary Robert F. Kennedy Jr. The lawsuit, filed in a federal court in Boston on Monday, July 8, 2025, targets a recent directive from Secretary Kennedy that altered standing guidance from the Centers for Disease Control and Prevention (CDC) regarding COVID-19 vaccination recommendations. At the heart of the dispute is the late May decision to remove recommendations for COVID-19 vaccines for most children and pregnant women from official CDC guidance. Plaintiffs contend that this action bypassed established scientific protocols and was “arbitrary and capricious.”
The Challenged Policy Shift
Secretary Kennedy’s directive, issued in late May, marked a significant departure from previous federal public health guidance. It specifically instructed the removal of COVID-19 vaccine recommendations for the majority of the pediatric population and pregnant individuals from the Centers for Disease Control and Prevention’s widely disseminated guidance documents. For years, the CDC, informed by expert advisory committees, has provided recommendations for vaccination based on ongoing scientific evaluation of vaccine safety and efficacy across different age groups and populations, including those who are pregnant. The abrupt nature of the change and the populations affected – groups often considered vulnerable – have drawn sharp criticism from many in the medical community.
Grounds for the Legal Challenge
The lawsuit argues that Secretary Kennedy’s decision-making process in altering the CDC’s vaccine guidance was flawed and unlawful. According to the complaint filed by the coalition, the Secretary’s actions were “arbitrary and capricious,” a legal term suggesting a decision made without a clear reason, sufficient evidence, or disregard for facts or logic. Plaintiffs allege that the Secretary’s directive failed to adhere to the rigorous, science-based review processes that have historically underpinned CDC vaccine recommendations. These processes typically involve extensive data analysis and public meetings of independent expert committees. The lawsuit contends that by sidestepping this established framework, the Secretary’s actions undermine the integrity and reliability of federal public health guidance.
A United Front from Leading Health Organizations
The plaintiffs in this landmark case represent a broad spectrum of the American medical and public health landscape. The coalition includes highly influential organizations such as the American Academy of Pediatrics (AAP), a leading voice for child health; the American Public Health Association (APHA), representing public health professionals; the American College of Physicians (ACP), the national organization of internal medicine physicians; the Infectious Diseases Society of America (IDSA), focused on diagnosing, treating, and preventing infectious diseases; the Massachusetts Public Health Alliance (MPHA), a state-level advocacy group; and the Society for Maternal-Fetal Medicine (SMFM), representing medical specialists in high-risk pregnancies. Joining these organizations is an unnamed pregnant doctor, who brings a personal and professional perspective to the alleged harm caused by the policy change. Their collective participation underscores the depth of concern within the professional medical community regarding the new federal guidance.
Concerns Over Scientific Advisory Processes
Adding to the plaintiffs’ concerns about the process behind the guidance change, the lawsuit also highlights Secretary Kennedy’s recent overhaul of the Advisory Committee on Immunization Practices (ACIP). The ACIP is a long-standing, independent committee of medical and public health experts that provides recommendations to the CDC on the use of vaccines in the U.S. population. According to the complaint, Secretary Kennedy recently fired the entire 17-member committee. These experienced panelists were reportedly replaced with new members, including individuals whose past public statements or associations suggest alignment with views critical of established vaccine science or policy. The plaintiffs cite this restructuring as further evidence that the administration is sidelining scientific expertise and standard review processes in favor of politically motivated decisions, particularly regarding vaccine policy.
Reported Impact on Patients and Providers
Medical professionals across the country are reporting tangible negative consequences stemming from the revised guidance. According to information presented in the lawsuit, the removal of recommendations for children and pregnant women has created significant confusion among patients and their families. Healthcare providers are finding it challenging to counsel individuals on COVID-19 vaccination when official federal guidance has been withdrawn or significantly altered for these groups. This uncertainty, coupled with the public nature of the policy debate, is reportedly contributing to increased vaccine hesitancy at a time when public health officials continue to emphasize the importance of vaccination in mitigating the risks of COVID-19. Doctors and public health workers fear that the change could lead to lower vaccination rates in vulnerable populations, potentially increasing illness and complications.
Seeking Legal Remedies
The lawsuit filed in Boston seeks immediate and long-term legal intervention. Specifically, the plaintiffs are asking the federal court for preliminary and permanent injunctions. A preliminary injunction would temporarily halt the implementation or effect of the revised COVID-19 vaccine recommendations while the case proceeds. A permanent injunction would make this halt permanent if the court rules in favor of the plaintiffs on the merits of the case. Additionally, the lawsuit seeks a declaration from the court stating that Secretary Kennedy’s actions in changing the guidance were unlawful. Such a ruling would invalidate the policy change and could potentially force a return to the previous, science-informed process for developing vaccine recommendations.
This legal action represents a significant confrontation between established medical and public health institutions and the current leadership at the Department of Health and Human Services. It underscores the deep divisions over the role of science, expert committees, and political authority in setting national health policy, particularly concerning vaccination. The outcome of this federal lawsuit in Boston could have far-reaching implications for how public health guidance is developed and communicated in the United States.