CDC Vaccine Schedule Overhaul: Physicians Reject HHS Changes | Infectious Disease News

The U.S. Childhood immunization schedule is undergoing significant upheaval, sparking concern among physicians and public health officials. In January, the Department of Health and Human Services (HHS) overhauled the Centers for Disease Control and Prevention’s (CDC) recommended vaccine schedule, reducing the number of shots recommended for all children. This change has been met with widespread resistance, with physicians and states largely opting to adhere to the schedule previously endorsed by the American Academy of Pediatrics (AAP).

A Shift in Recommendations

The revised CDC schedule now categorizes vaccines into three tiers: those recommended for all children, those recommended for children in specific high-risk groups, and those recommended with shared clinical decision-making. Only eight vaccine types, protecting against 11 diseases, remain universally recommended. Several longstanding recommendations, including for seasonal influenza, have been downgraded to shared clinical decision-making, requiring a more detailed discussion with a healthcare provider.

The overhaul followed a presidential memorandum from former President Trump requesting HHS Secretary Robert F. Kennedy Jr. And the CDC to align the U.S. Schedule with those of other developed countries. The changes were implemented without customary input from federal vaccine advisors, raising concerns about the process and the scientific basis for the revisions.

Widespread Rejection of the New Schedule

The response to the new CDC schedule has been overwhelmingly negative. As of January 30, 2026, at least 28 states and Washington, D.C., have announced they will not fully follow the new CDC recommendations, according to KFF. The majority of these states will continue to follow the AAP schedule, which aligns with the CDC’s previous recommendations.

“The decision to change CDC’s childhood immunization schedule is reckless and deeply dangerous,” said Massachusetts Public Health Commissioner Robbie Goldstein, MD, PhD, in a statement announcing the state’s rejection of the new schedule. This sentiment is echoed by numerous other state health officials and medical organizations.

Key Changes and Concerns

Several specific changes to the CDC schedule have drawn particular criticism. The agency no longer universally recommends the hepatitis B vaccine for newborns, a practice that has been credited with significantly reducing the incidence of the disease. The recommendation for rotavirus vaccination has also been downgraded to shared clinical decision-making, despite the vaccine’s proven effectiveness in preventing severe gastrointestinal illness in infants.

The CDC also shifted its recommendation for the human papillomavirus (HPV) vaccine, now suggesting only one dose instead of two, citing recent studies indicating comparable efficacy. However, the AAP continues to recommend the two-dose series.

The Infectious Diseases Society of America (IDSA) has called the changes “reckless” and warned that they could lead to decreased vaccination rates and an increase in vaccine-preventable diseases. Aaron E. Glatt, MD, MACP, FIDSA, FSHEA, chair of the department of medicine and chief of infectious diseases at Mount Sinai South Nassau in Oceanside, New York, expressed concern that the overhaul would “almost certainly result in a decrease in community vaccination rates, with the resultant increase in actual cases of vaccine preventable illness.”

Expert Perspectives

Experts have voiced concerns about the rationale behind several of the changes. Kathryn M. Edwards, MD, professor emeritus of pediatrics at Vanderbilt University School of Medicine, highlighted the importance of universal hepatitis B vaccination, noting its success in preventing the spread of the virus. She also expressed concern about the potential consequences of downgrading the rotavirus vaccine recommendation.

William Schaffner, MD, professor of preventive medicine at Vanderbilt University School of Medicine, noted that the changes could create confusion among parents and healthcare providers. He emphasized that the CDC’s recommendations are not mandates and that vaccination remains a safe and effective way to protect children from serious diseases.

Paul A. Offit, MD, director of the Vaccine Education Center at Children’s Hospital of Philadelphia, expressed concern that the downgrading of the rotavirus vaccine recommendation was a result of its own success. He explained that because the vaccine has been so effective at preventing severe disease, many people may not be aware of the risks associated with rotavirus infection.

Looking Ahead

The future of childhood immunization in the U.S. Remains uncertain. The ongoing conflict between the CDC’s new recommendations and the AAP’s continued endorsement of the previous schedule is likely to create confusion and potentially lead to decreased vaccination rates. The legal challenges to the new schedule, initiated by medical groups, could also influence the outcome.

The situation underscores the importance of ongoing dialogue between public health officials, healthcare providers, and the public to ensure that children receive the protection they need from vaccine-preventable diseases. It also highlights the critical role of evidence-based decision-making in public health policy.