CDC Opens State Vaccine Ordering After Unexplained Delay

States can now order 2026–2027 COVID-19 vaccines through the federal Vaccines for Children program, the Department of Health and Human Services confirmed Thursday, ending a delay of nearly a month that the department has still not fully explained, according to Ars Technica.

The Food and Drug Administration approved this season's COVID-19 vaccines in late August. Under normal circumstances, that approval clears the way for the Centers for Disease Control and Prevention to open its ordering system so states can stock shots for children covered by the program, which provides free immunizations to low-income families. This year, that system stayed closed for weeks with no public timeline from CDC or HHS.

Why did states have to wait weeks after FDA approval?

Ars Technica first reported Wednesday that CDC had still not opened ordering despite the late-August FDA sign-off. Asked why, HHS told the outlet only that "CDC has not yet finalized procurement decisions" for the shots. The department did not specify what those decisions involved or when they would be complete.

The statement went further than a routine administrative delay, according to the Ars Technica report, suggesting Trump officials were still weighing "whether children should receive them." HHS said it was "committed to responsible stewardship of taxpayer resources and to ensuring that vaccines purchased through federally funded programs are appropriate for the populations those programs serve."

What changed to open ordering this week?

Later Wednesday, The Washington Post reported that ordering was opening, according to the Ars Technica account of that reporting. An unnamed source told the Post that part of the holdup involved finalizing CDC's clinical guidance for health care professionals and public health officials, which reportedly needed review by an outside expert before release.

When Ars Technica asked HHS on Thursday what caused the delay or how it was resolved, the department again did not answer those questions directly. It did confirm that COVID-19 vaccine ordering is now open.

Had CDC staff already finished the paperwork?

According to the Post's reporting as relayed by Ars Technica, career officials at CDC had completed preparations for making the vaccines available well before ordering opened. Sources told the Post that Trump administration officials essentially needed only to approve the release for the system to go live — language that points to a decision held at the political level rather than a technical or scientific holdup.

A spokesperson for the Minnesota Department of Health told the Post that state officials had been informed "that CDC leadership approval is needed before distribution of the vaccine can begin," according to the Ars Technica report. That account places the bottleneck squarely with agency leadership rather than with unresolved procurement logistics.

What is Robert F. Kennedy Jr.'s record on COVID vaccines?

The delay follows a pattern HHS Secretary Robert F. Kennedy Jr. has established since taking office. He has for years opposed COVID-19 vaccines, at one point calling them the "deadliest vaccine ever made," a claim Ars Technica describes as false, and petitioning the FDA to withdraw approval for the shots and bar future authorizations.

As health secretary, Kennedy unilaterally revoked the CDC's universal recommendation that Americans receive COVID-19 vaccines, according to the Ars Technica report, a shift that already altered which populations insurers and public programs treat as eligible for coverage. The Vaccines for Children program specifically serves families who could not otherwise afford immunizations, so any delay in ordering has a direct effect on which children get access to the shots this fall.

What happens next for parents and providers?

With ordering now open, states can begin distributing the 2026–2027 COVID-19 vaccines through the Vaccines for Children program. HHS has not said whether the clinical guidance cited as one cause of the delay has been finalized or released, and the department has not addressed why the procurement questions it initially cited took nearly a month to resolve after FDA approval.

Ars Technica's reporting leaves open which of HHS's public explanations — unfinished procurement decisions, guidance requiring external review, or leadership-level approval — best accounts for the gap between the FDA's late-August authorization and this week's opening of state ordering. The department has not reconciled those accounts on the record.

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