#Vaccines

A sweeping new study out of Denmark has concluded that exposure to aluminum in early childhood vaccines does not increase the risk for autism spectrum disorder (ASD), attention-deficit/hyperactivity disorder (ADHD), or other chronic neurological, autoimmune, or allergic conditions. This research, covering more than 1.2 million children, comes at a crucial time of persistent vaccine hesitancy and misinformation, offering robust scientific reassurances that routine childhood immunisations are safe and not a source of neurological or immune harm.

South Asia has achieved a remarkable public health milestone in 2024, reaching its highest-ever immunization coverage for children, according to newly released data from the World Health Organization (WHO) and UNICEF. The news marks a turning point not only for the region but also offers valuable lessons for countries like Thailand as they strive to strengthen child health and protection against vaccine-preventable diseases.

At the heart of this achievement lies a powerful collaboration between governments, frontline health workers, international donors, and the communities themselves. Early results released by WHO Thailand on July 16, 2025, highlight the collective push across South Asia – which includes Afghanistan, Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, and Sri Lanka – that led to a dramatic increase in vaccine coverage. According to UNICEF’s Regional Director for South Asia, “This is a proud moment for South Asia. More children are protected today than ever before, thanks to tireless frontline health workers, strong government leadership, donors’ and partners’ support and the unwavering trust of families.”

A growing body of research reveals that vaccines may deliver far more than protection against specific infectious diseases; they can also trigger broader immune system responses that benefit general health and survival, especially among children. These “non-specific effects”—sometimes called “bonus shots”—recently made headlines in a detailed feature on Salon.com, which highlighted a wave of new scientific findings and renewed international debate. For Thailand, where high childhood immunisation rates have underpinned rising life expectancies for decades, these revelations add new urgency and context to national vaccine policy.

A sweeping new international study has found that emergency vaccination programmes launched to counter outbreaks of Ebola, measles, cholera, yellow fever, and meningitis have slashed global deaths and infections from these deadly diseases by nearly 60% over the last 23 years. Researchers say the impact does not stop with lives saved—swift vaccine deployment has yielded economic savings estimated at billions of dollars, marking vaccines as not only a public health triumph but also a cost-effective shield against disruptive epidemics (BBC News).

A federal advisory committee to the US Centers for Disease Control and Prevention (CDC) has recommended that all Americans—including children, pregnant women, and adults—receive single-dose influenza vaccines that do not contain thimerosal, a mercury-based preservative long scrutinized despite decades of safe use. This move, which could soon lead to an official CDC policy, reflects an ongoing international spotlight on vaccine ingredients and the public’s persistent concern over vaccine safety—a topic with direct relevance for Thailand’s immunization practices and public confidence.

A recent vote by a United States government advisory panel to curtail the use of thimerosal—a mercury-based preservative—in flu vaccines has reignited controversy over vaccine safety and the legacy of discredited autism claims. The vote, which followed a presentation by prominent vaccine critics now serving in government, illustrates how decades-old debates over vaccine ingredients continue to influence public health policy, even as the global consensus remains firm on vaccine safety.

Many older Thais have consistently sought out vaccinations for diseases like shingles, influenza, and pneumonia—a strategy that is increasingly validated by a wave of new international research that also carries critical implications for the Kingdom’s rapidly aging society. These findings not only reinforce the wisdom of vaccine compliance among Thailand’s elderly populations but reveal surprising new benefits, including a reduced risk of dementia, according to recent studies published and reported globally, most notably in a major New York Times article.

A resurgence of ancient medical ideas is reshaping public health discourse in unexpected ways, as evidenced by recent moves in the United States under Health Secretary Robert F. Kennedy Jr. Drawing on the centuries-old miasma theory—which proposes that diseases arise from “bad air” or pollution—Kennedy has implemented policies and made public statements that challenge the contemporary scientific consensus around vaccines. The revival of this long-discredited framework echoes far beyond American borders, offering important lessons for Thailand as it contends with its own vaccine hesitancy and public health challenges (NPR).

The safety and efficacy of mRNA vaccines have returned to the spotlight following new regulatory actions and heightened public debate, but the scientific community continues to reaffirm their vital role in combating the COVID-19 pandemic. Recent scrutiny, triggered by policy changes from the U.S. Food and Drug Administration (FDA), is prompting fresh discussion amid persistent misinformation and growing public concerns—even as evidence underscores overwhelming benefits for both individuals and public health at large (ABC News).

A new international study has found that adults over 50 who receive the shingles vaccine can dramatically reduce their risk of major cardiovascular events—including stroke, heart failure, and heart disease—by as much as 23% for up to eight years following vaccination. The findings, published in the European Heart Journal in early May and quickly covered by global outlets such as the European Society of Cardiology and Science Daily, mark a significant turning point for public health, suggesting that the benefits of the vaccine extend far beyond protection against the painful rash caused by herpes zoster.

A recent viral personal account has reignited the debate over vaccine hesitancy, shining a spotlight on the real-life consequences faced by those raised in anti-vaccination households. The article, published by BuzzFeed and titled “17 Brutally Honest Confessions From A Woman Who Was Raised By Anti-Vax Parents,” offers a candid look at how parental skepticism toward vaccines can shape every facet of a child’s development—physically, emotionally, and socially. Its frank revelations underscore issues of public health and personal risk that resonate worldwide, including in Thailand, where anti-vaccine sentiment has gained traction in some circles.

Recent headlines have focused public attention on Robert F. Kennedy Jr., now serving as the U.S. Secretary of Health and Human Services, after he made sweeping statements about measles, autism, vaccines, and the impact of diet on health—claims that have sparked controversy internationally and resonate even among Thai readers navigating similar public health debates. As widespread measles outbreaks and concerns over rising autism rates draw renewed focus on medical facts and myths, a thorough examination of the latest research provides crucial context for Thai families, educators, and policymakers.

Robert F. Kennedy Jr., serving as the U.S. Secretary of Health, has ignited debates concerning vaccines through his recent actions which, according to critics, undermine confidence in vaccination programs. During his Senate confirmation hearings, Kennedy claimed to be a vaccine proponent. However, his subsequent initiatives—from halting funding for vaccine hesitancy research to redirecting resources away from novel vaccine development—suggest otherwise.

The National Institutes of Health has ceased funding numerous projects aimed at understanding and addressing vaccine hesitancy, while the Centers for Disease Control and Prevention (CDC) canceled an advertising campaign designed to promote flu vaccinations. Kennedy has publicly doubted the impartiality of CDC scientists, claiming severe conflicts of interest—a statement many experts debunked as misleadingly inaccurate.

In a surprising and controversial move, the U.S. federal government has appointed David Geier, a well-known vaccine skeptic, to lead a study examining the disproven link between vaccines and autism. This decision, revealed by the Washington Post, has sparked outcry from the scientific community, given Geier’s history of promoting discredited research in this arena.

This development is part of a broader narrative where public health agendas in the U.S. appear to be influenced by prominent anti-vaccine figures. David Geier, in collaboration with his father, Mark Geier, has consistently advocated against vaccinations. Their research, often dismissed by the scientific community for its methodological shortcomings, focuses on purported dangers of vaccines, specifically mercury-based ingredients, which they claim are linked to autism—a claim that has been thoroughly debunked by numerous scientific studies over the years. Despite the widespread scientific consensus, their studies still hold sway among certain anti-vaccine circles, particularly those led by figures like Robert F. Kennedy Jr., who now oversees health initiatives.