A new study cited in a post by Peter A. McCullough, MD, MPH® claims that mass flu vaccination of young children did not reduce influenza outcomes in a large Spanish region. The core allegation is straightforward: after a rollout covering children ages 6 months to 5 years, researchers found no reduction in either flu cases or related hospitalizations.
According to the news story, the analysis focused on an entire Spanish region with a population of roughly 400,000 people. In that real-world setting, health authorities implemented broad flu shot coverage for the youngest pediatric age group—infants and toddlers through preschoolers—rather than limiting vaccination to specific subgroups. The study then assessed whether immunizing this group changed the pattern of influenza spread and whether it translated into fewer severe outcomes requiring hospital care.
The post emphasizes that the study’s results were effectively null. Instead of reporting fewer flu infections after the vaccination campaign, the reported findings indicate that flu case counts did not decline. Similarly, hospitalizations—an outcome intended to reflect serious disease burden—also did not decrease. The implication presented by the author is that, at least in this region and time period, routine pediatric flu vaccination did not achieve its intended public-health impact.
The story frames the findings as a challenge to common expectations about how annual flu vaccination should work, particularly for very young children. Children in the 6-month to 5-year window are often targeted because they are considered at elevated risk for flu complications compared with older age groups. In the news narrative, this makes the lack of observed benefit more striking: if the intervention is not associated with measurable reductions in infections or hospitalizations, the question becomes whether vaccination policy is being implemented under assumptions that do not hold in practice for all settings.
The post also raises a broader policy and procedural question, asking how influenza “ever got on the ACIP.” ACIP refers to the U.S. Advisory Committee on Immunization Practices, the body that develops recommendations for vaccines in the United States. By highlighting the study’s negative or non-significant findings, the author suggests that influenza vaccine recommendations may rest on evidence that is either insufficient, inconsistent, or not replicated by large real-world datasets. The story therefore blends two layers: first, an empirical claim about one region’s vaccination results; second, a critique of how recommendations might have been formed and maintained.
While the news story is focused on the Spanish-region study’s reported outcomes, it also signals a concern with evidence quality and generalizability. A mass rollout across an entire region is presented as stronger than small trials or limited observational studies because it reflects routine delivery of vaccines at scale and attempts to capture population-level effects. If a campaign of that nature shows no measurable impact on flu cases and hospitalizations, the narrative argues that it should influence how the policy discussion proceeds.
The story’s language—calling pediatric flu shots a “complete failure”—is emphatic and aimed at the reader’s attention. However, the underlying factual content described is the reported absence of reductions in both infection and hospital admissions following vaccination of the targeted pediatric age range. The post’s core takeaway is that the vaccination program did not produce the public-health improvements that would be expected if vaccines were effective in preventing influenza infection and reducing severe disease.
In conclusion, the news story centers on a study of approximately 400,000 people in an entire Spanish region that reportedly found no reduction in flu cases or hospitalizations after mass flu shot rollout to children aged 6 months to 5 years. It then uses those results to question the process by which flu vaccination recommendations were adopted and promoted, specifically referencing the U.S. ACIP. Source: Source.
Peter A. McCullough, MD, MPH®: BREAKING: Study Finds Pediatric Flu Shots are a COMPLETE FAILURE Study of an ENTIRE Spanish region (~400,000 people) found NO reduction in flu cases or hospitalizations after mass flu shot rollout to children 6 months to 5 years old. How did influenza ever get on the ACIP. #breaking
— @P_McCulloughMD May 1, 2026
SHOP AMAZON BEST SELLERS, CLICK TO BUY FROM AMAZON.
SHOP AMAZON BEST SELLERS, CLICK TO BUY FROM AMAZON.
