DoubleChecks

What was claimed

None of the vaccines that are given during the first six months of life have ever been tested

Our verdict

Inaccurate

Routine infant vaccines have been tested in the target age groups, including studies and trials in infants vaccinated at about 2, 4, and 6 months of age.

All 3 AI systems agree19 sources citedChecked Sep 30, 2026

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Key findings

None of the vaccines that are given during the first six months of life have ever been tested

Incorrect98%
All 3 AIs agree

Verified against 19 sources

urmc.rochester.edumy.clevelandclinic.orgkidshealth.orgpmc.ncbi.nlm.nih.govcdc.govchop.eduhealthychildren.orgnejm.orgwho.intcfps.org.sgpublichealth.hscni.netec.europa.eunyc.gov111.wales.nhs.ukchop.edupmc.ncbi.nlm.nih.govema.europa.euaafp.orgmedsafe.govt.nz

Detailed Analysis

The statement is false. Several routine vaccines given in the first six months of life have been tested in infants at the ages they are used, and some studies and regulatory documents explicitly describe trials in 2-, 4-, and 6-month-old infants.[1] [6] [8] [17] [19] The wording is absolute, so one clear counterexample is enough to show it is wrong.

Why this verdict

  • The statement is false.
  • Several routine vaccines given in the first six months of life have been tested in infants at the ages they are used, and some studies and regulatory documents explicitly describe trials in 2-, 4-, and 6-month-old infants.[1] [6] [8] [17] [19] The wording is absolute, so one clear counterexample is enough to show it is wrong.

Claims checked

None of the vaccines that are given during the first six months of life have ever been tested

Incorrect99%
Routine infant vaccines have been tested in the target age groups, including studies and trials in infants vaccinated at about 2, 4, and 6 months of age.[1] [6] [8] [17] [19]

This claim may mislead readers without added context.

What other AI think

The claim is factually false. Multiple vaccines administered during the first six months of life have undergone extensive clinical trials and rigorous FDA testing. Examples include DTP, influenza, and MMR vaccines, all of which have documented clinical trial data involving thousands of participants.

Why this verdict

  • The claim is factually false.
  • Multiple vaccines administered during the first six months of life have undergone extensive clinical trials and rigorous FDA testing.
  • Examples include DTP, influenza, and MMR vaccines, all of which have documented clinical trial data involving thousands of participants.

Claims checked

None of the vaccines that are given during the first six months of life have ever been tested

Incorrect99%
Extensive evidence shows vaccines given in the first six months (DTP, influenza, MMR) have undergone rigorous clinical trials with thousands of participants. All FDA-approved vaccines must complete clinical testing before approval.

This claim may mislead readers without added context.

The statement is incorrect because vaccines routinely given in the first six months of life were evaluated in clinical trials that included infants. Regulatory approvals for infant vaccines require safety and efficacy studies in the age groups that will receive them.

Why this verdict

  • The statement is incorrect because vaccines routinely given in the first six months of life were evaluated in clinical trials that included infants.
  • Regulatory approvals for infant vaccines require safety and efficacy studies in the age groups that will receive them.

Claims checked

None of the vaccines that are given during the first six months of life have ever been tested

Incorrect95%
Multiple routinely recommended infant vaccines (for example hepatitis B, DTaP, Hib, IPV, pneumococcal conjugate, and rotavirus) underwent clinical trials and pediatric studies prior to licensure and recommendation for use in infants.

This claim may mislead readers without added context.

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