President Signs Executive Order on Childhood Vaccines: What It Means for California

On August 10, 2026, President Donald Trump signed a new Executive Order establishing what the Administration calls the “Gold Standard Childhood Vaccine Recommendations” and directing federal agencies to take additional action on childhood vaccine policy, parental choice, medical and religious exemptions, disability accommodations, informed consent, and vaccine safety research.

The Executive Order represents a significant shift in federal childhood vaccine policy. But what does it actually mean for California?

What Does the Executive Order Do?

The order establishes three categories of federal childhood vaccine recommendations:

Recommended for all children:
Measles, mumps, rubella, diphtheria, tetanus, pertussis, polio, Hib, pneumococcal disease, HPV, and varicella.

Recommended for certain high risk groups or populations:
RSV monoclonal antibodies, hepatitis A, hepatitis B, meningococcal B, meningococcal ACWY, and dengue.

Shared clinical decision making:
Hepatitis A, hepatitis B, rotavirus, meningococcal disease, influenza, and COVID 19.

The order also directs HHS to examine vaccine timing and sequencing, single antigen vaccine options beginning with MMR, alternatives to aluminum adjuvants, continuous risk benefit evaluation, and improvements to vaccine safety monitoring, transparency, and research.

Perhaps most significant for states like California, the President specifically advises states to review their existing vaccine laws and school immunization requirements in light of the new federal recommendations.

Does This Change California Law?

Not immediately.

States continue to establish their own vaccination requirements for school and childcare attendance. California’s existing vaccine requirements and medical exemption system remain in effect unless California changes its laws or regulations, or a court determines that some portion conflicts with federal constitutional or statutory protections.

The Executive Order does not automatically restore California’s former personal belief or religious exemptions. It also does not automatically repeal or change the medical exemption system created under SB 276 and SB 714.

However, the federal policy landscape has changed significantly.

Why Section 4 Matters for California

One of the most consequential provisions may be Section 4, titled “Maximizing Parental Choice over Childhood Vaccines.”

The Executive Order directs the U.S. Attorney General to take appropriate measures to further meritorious legal challenges involving state laws that may conflict with constitutional or federal statutory protections related to:

Parental authority
Religious freedom
Disability accommodations
Equal protection
Medical and religious exemptions

The Departments of Justice, Education, and Health and Human Services are also directed to ensure that federal contractors and grantees, including states and local governments, comply with applicable federal protections.

This does not mean the federal government has determined that California’s current laws are unlawful.

It does mean that questions involving medical exemptions, disability accommodations, parental authority, and other federal protections are receiving renewed federal scrutiny.

California and Washington Are Moving in Different Directions

California has taken steps in recent years to maintain greater state control over vaccine recommendations and school immunization policy, even when federal recommendations change.

The new Executive Order moves federal policy in a different direction, emphasizing parental choice, informed consent, individualized medical decision making, and review of state vaccine requirements.

That growing difference between federal and California policy raises an important question:

Should California review whether its existing laws and policies still reflect the best available evidence and appropriately protect individual circumstances, physician judgment, disability accommodations, and informed consent?

We believe the answer is yes.

Why This Strengthens the Case for an Informational Hearing

For nearly a decade, California has dramatically changed how school vaccine exemptions are handled.

SB 277 eliminated personal belief exemptions in 2015. SB 276 and SB 714 subsequently expanded state oversight of medical exemptions and ultimately led to the current CAIR ME system.

Now the federal government is reassessing the childhood vaccine schedule itself, examining vaccine safety and sequencing, emphasizing parental choice, and expressly encouraging states to review their school vaccine requirements.

Whatever Californians think about the new federal policy, California lawmakers should be willing to examine the evidence publicly.

An informational hearing does not require legislators to agree with the President or the federal government.

It requires them to ask questions.

After more than a decade of major policy changes, California should examine what is working, what is not, whether unintended consequences have occurred, and whether current policies continue to appropriately serve children and families.

Physicians, researchers, disability experts, public health officials, parents, and affected families should all have a seat at that table.

What Happens Next?

The Executive Order directs HHS to develop plans within 90 days addressing vaccine timing and sequencing, vaccine safety research, single vaccine options, alternative adjuvants, and improved safety monitoring and transparency.

Those developments could create additional questions for California policymakers in the months ahead.

IPA will continue monitoring the implementation of this Executive Order and what it may mean for California families.

One thing, however, should not require agreement on every aspect of vaccine policy: transparency and accountability matter.

California has had nearly a decade of experience under its increasingly restrictive school vaccine exemption policies.

It is time to review the data. It is time to hear from all stakeholders. And it is time for an informational hearing.

Take Action Today

If you believe California families deserve transparency, accountability, and a public review of these policies, join IPA’s campaign requesting an informational hearing in the California Legislature.

Visit IPAaction.com and take action today.