Lawyers for both sides in the federal lawsuit, brought by six medical organizations, are trying to understand the ramifications of the judge’s decision. When a federal judge on Monday blocked the changes in vaccine policy set in motion by Health Secretary Robert F. Kennedy Jr. over the last year, public health groups hailed the ruling as a victory for science and evidence-based government recommendations.
Their jubilation may be short-lived. The Trump administration is planning to appeal the decision, and if it does so quickly enough, an appeals court could overturn Monday’s ruling before the end of the week.
The ruling revoked the authority of advisers appointed to the Advisory Committee on Immunization Practices by Mr. Kennedy to make vaccine recommendations, and ordered a return to the childhood vaccine schedule from before their appointment.
On Tuesday, experts in public health, law and government said they were still trying to understand its ramifications.