Three child deaths within 24 hours after routine vaccines: Japanese study calls for urgent reevaluation of vaccine safety

By willowt // 2025-03-22

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A Japanese study published in Discover Medicine highlights three tragic cases of children who died within 24 hours of receiving routine childhood vaccines, raising urgent concerns about vaccine safety and the need for reevaluation of vaccination schedules.
Despite detailed investigations, including autopsies, no definitive causal link was established between the vaccines and the deaths, leading to criticism over insufficient transparency and accountability.
The study notes a significant increase in excess deaths in Japan following the introduction of mRNA COVID-19 vaccines, alongside a rise in adverse events such as shingles, monkeypox and severe infections, often linked to post-vaccination immunosuppression.
The study criticizes the accelerated approval of COVID-19 vaccines, particularly self-amplifying mRNA vaccines, which lack long-term safety data and may pose risks of immune dysfunction due to uncontrolled antigen production.
The authors urge for greater transparency, pre-vaccination medical checks and a critical review of vaccination practices, emphasizing the need to prioritize safety and address vaccine hesitancy with evidence-based approaches.

In a groundbreaking study published in Discover Medicine, Japanese researchers have sounded the alarm over the safety of routine childhood vaccines, citing the deaths of three children within 24 hours of immunization. The study, led by Dr. Kenji Yamamoto, a cardiothoracic surgeon at Okamura Memorial Hospital, calls for a critical reevaluation of the risks and benefits of approved vaccines and the childhood vaccination schedule. The findings come amid growing concerns about post-vaccination adverse events, particularly following the widespread rollout of mRNA COVID-19 vaccines. The study also highlights an alarming increase in excess deaths in Japan since the introduction of these vaccines, raising urgent questions about their long-term safety.

Three tragic cases: A call for transparency

The study details three cases of child deaths reported by Japan’s Ministry of Health, Labor and Welfare (MHLW):

A healthy 2-month-old boy who became ill 30 minutes after receiving the Hib, rotavirus and pneumococcal vaccines. He died 59 minutes after vaccination.
A 6-month-old girl with mild cold symptoms who was found dead in her bedroom one day after receiving the hepatitis B, Hib, pneumococcal and four-in-one (pertussis, diphtheria, tetanus, polio) vaccines.
A 3-year-old boy with a history of asthmatic bronchitis and febrile convulsions who appeared lethargic and developed a fever 8 hours after receiving the Japanese encephalitis vaccine. He experienced cardiopulmonary arrest 10 hours post-vaccination.

Despite detailed investigations, including autopsies, experts were unable to establish a causal link between the vaccines and the deaths. The cases were classified as “evaluation not possible,” a conclusion that has drawn criticism for its lack of transparency. “The time following vaccination is one of the foundations for determining causation when adverse events occur,” said Karl Jablonowski, Ph.D., senior research scientist for Children’s Health Defense. “These cases raise serious concerns about the safety of the current vaccination schedule.”

A growing body of evidence

The study also references a 2023 peer-reviewed paper published in Cureus, which found a positive correlation between the number of vaccine doses infants receive and infant mortality rates. This finding echoes a 2011 study that first identified this troubling trend. In Japan, children receive vaccines for nearly 14 different diseases by adulthood, with many doses administered simultaneously. The study warns that the simultaneous administration of newly developed vaccines, whose safety profiles may not be fully understood, could obscure causal links to adverse events. “The aggressive promotion of vaccines through biased messaging has created an atmosphere where questioning vaccination is considered taboo,” the authors wrote. “This conformity may explain the lack of progress in critically reviewing vaccination practices.”

Excess deaths and mRNA vaccines: A troubling link

The study also addresses the rise in adverse events and excess deaths following the introduction of mRNA COVID-19 vaccines. Japan has recorded over 600,000 excess deaths since the start of the vaccination campaign, a figure that cannot be explained solely by COVID-19-related deaths or an aging population. “There has been a rise in cases of shingles, monkeypox, syphilis, severe streptococcal infections, measles, sepsis and post-operative infections in countries administering multiple vaccine doses,” the study noted. These adverse events often occur within the first two weeks after vaccination, coinciding with immunosuppression and reduced lymphocyte counts. Despite these concerns, Japan continues to promote mRNA COVID-19 boosters, particularly for the elderly. The study highlights the case of a 26-year-old healthcare worker who died of a brain hemorrhage four days after receiving a single dose of the mRNA vaccine. Although her death was linked to vaccine-induced immune thrombotic thrombocytopenia, Japan’s vaccination campaign continued unabated.

The Japanese public as unwitting test subjects

The study criticizes the rapid development and approval of COVID-19 vaccines, which bypassed the typical 7-10 years of testing. Japan has gone further than other nations by approving a self-amplifying mRNA vaccine, which has not been sufficiently tested for safety. “A big problem with self-amplifying mRNA vaccines is that there’s no ‘off switch,’” Jablonowski said. “Once it’s injected, no one can control for how long or how much antigen your cells will be tricked into producing, potentially leading to immune dysfunction.” The authors call for pre-vaccination medical checks, including blood tests and a review of a patient’s mRNA vaccination history, to better assess individual risks.

A global wake-up call

The study’s publication in a prominent journal like Discover Medicine underscores the growing concern over vaccine safety. Daniel O’Connor, founder of TrialSite News, noted, “A mainstream peer-reviewed journal is facilitating a critical examination of recent events, including the tragic deaths of three young children. Such incidents should not be happening, and a thorough investigation is necessary.” As Japan grapples with these findings, the study serves as a stark reminder of the need for transparency, rigorous safety evaluations and a willingness to question established practices. “The Japanese public is now being inadvertently involved in clinical trials to gather data on vaccine safety and risks,” the authors wrote. “This must change.” In a world where vaccine hesitancy is often dismissed as “anti-science,” this study challenges us to confront uncomfortable truths and prioritize the health and safety of all individuals, especially our children. This article was written as a call to action for greater transparency and accountability in vaccine safety. If you value independent journalism, please consider supporting efforts to uncover the truth. Sources include: ChildrensHealthDefense.gov Link.Springer.com Asahi.com