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EDITOR IN CHIEF- ABDULLAH BIN SALIM AL SHUEILI

Eroding trust in vaccines leaves populations vulnerable

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LONDON: Trust in vaccines — one of the world’s most effective and widely-used medical products — is highest in poorer countries but weaker in wealthier ones where scepticism has allowed outbreaks of diseases such as measles to persist, a global study found on Wednesday.


France has the least confidence of any country in the world in the safety and effectiveness of vaccines, with a third believing that vaccines are unsafe, according to the study.


While most parents do choose to vaccinate their children, varying levels of confidence expose vulnerabilities in some countries to potential


disease outbreaks, the study’s authors said, recommending that scientists need to ensure people have access to robust information from those they trust.


Public health experts and the World Health Organization (WHO) say vaccines save up to 3 million lives every year worldwide, and decades of research evidence consistently shows they are safe and effective.


But to achieve “herd immunity” to protect whole populations, immunisation coverage rates must generally be above 90 per cent or 95 per cent, and vaccine mistrust can quickly reduce that protection.


“Over the last century, vaccines have made many devastating infectious diseases a distant memory,” said Charlie Weller, head of vaccines at the Wellcome Trust health charity, which co-led the Wellcome Global Monitor study.


“It is reassuring that almost all parents worldwide are vaccinating their children. However, there are pockets of lower confidence in vaccines across the world.”


The spread of measles, including in major outbreaks in the United States, the Philippines and Ukraine, is just one of the health risks linked to lower confidence in vaccines.


In Afghanistan and Pakistan, false rumours about polio vaccines being part of a Western plot have in recent years hampered global efforts to wipe out the crippling disease.


The study, led by Wellcome and polling company Gallup, covered 140,000 people from more than 140 countries.


It found 6 per cent of parents worldwide — equivalent to 188 million — say their children are unvaccinated. The highest totals were in China at 9 per cent, Austria at 8 per centand Japan at 7per cent.


Seth Berkley, chief executive of the not-for-profit GAVI vaccine alliance, said the report showed a “worrying number of people” questioning vaccine safety.


But by focusing on the “vocal minority” who refused to vaccinate, it was easy to forget that the vast majority trusted vaccines and the science that underpinned them. — Reuters


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