Vaccine scares are nothing new. When Edward Jenner first pioneered the use of the mild disease cow pox to inoculate against the deadly smallpox in the 18th century, satirists drew cartoons of vaccinated patients sprouting cow heads.
Now, it seems, every country in the developed world has their own type of scare. In France, protesters claim that the hepatitis B vaccines cause multiple sclerosis; in the US, that the vaccine’s mercury additives are responsible for the rise in autism.
In the UK, there was a furore over whooping cough and then, famously, measles, mumps and rubella (MMR). All have been exposed as groundless fears, yet anti-vaccine feeling continues to reverberate on the Internet. Now doctors warn that such rumors from the UK, Europe and the US are spilling over into the developing world, where they are threatening to derail global vaccination programs.
Terrifyingly, this means putting the lives of thousands of children at risk.
In South Africa, concerns about MMR, generated by coverage in the rest of the English-speaking world — including the UK — have led to an unwillingness to receive the vaccine, and there has been an outbreak of nearly 7,000 cases of measles.
For children with poor health and limited access to medical services, this decision has been disastrous. There have already been hundreds of deaths.
Meanwhile, in India the government has recently overturned recommendations from its own scientific advisers to include the Hib (shorthand for a bug called Haemophilus influenzae) vaccine in its basic childhood program, despite the fact that the WHO says that 20 percent of the 400,000 childhood deaths from pneumonias caused by Hib worldwide occur in India.
In the UK, childhood Hib vaccination has seen Hib-caused meningitis (the more common Hib illness in the developed world) fall away to almost nothing. Yet Indian lobbying groups, led by opposition politicians, still claim that Hib vaccines are not only unnecessary, but have caused a number of deaths. The tactics of the Indian anti-Hib groups draw directly on the work of UK and US anti--vaccine Web sites.
Our anti-vaccine fears, and the groups set up to highlight them in the developed world, may not directly cause these problems, but are “fueling and amplifying them,” said Heidi Larson of the vaccine program and policy group at Imperial College London. Shockingly, just five minutes spent looking at Web sites critical of vaccines increases your perceptions of the risks, and reduces the perceptions of the risks of not being inoculated, according to a recent paper from a German group published in the Journal of Health Psychology.
Rumors about vaccines quickly gain credence in the Internet hothouse, with sites feeding off each other. Many sites will tell you that four girls in India died within 24 hours of receiving HPV vaccines.
What they don’t say is that two died in road crashes, one from a snake bite and one fell down a well.
Add this rumor to the feeling that vaccination is something that is done to you by government, by global agencies or by big pharmaceutical companies, and conspiracy theories are virtually guaranteed.
So what can be done? So far, campaigners have insisted on more information, awareness and education. However, this approach has failed. Instead, the idea of each country taking ownership is being explored, along with advocacy and immediate action to quell rumors.
In South America, which has astonishingly high rates of vaccination, ownership clearly works. Brazil’s rates are 98 percent of children across all of the childhood vaccines.
This is partly because campaigners such as Ciro de Quadros, the legendary former director of the Pan American Health Organization, have made vaccination rates a matter of local pride.
“Every mayor in Brazil can tell you the vaccination rate in their town,” he told me at the recent International Pediatric Congress in Johannesburg.
Grassroots advocacy has also been a powerful counter force to rumor in countries such as Bolivia and Peru, which are as poverty-stricken and with infrastructure as poor as some in Africa.
At the congress, pediatricians from African countries with the poorest vaccination rates, such as Ethiopia, Rwanda and the Democratic Republic of the Congo, were enrolled in workshops that told them how to develop that grassroots advocacy at home, by linking up to women’s groups and local chiefs.
Lois Privor-Dumm of the Bloomberg School of Public Health at Johns Hopkins University is the strategy director of the Hib Inititative, which aims to get Hib adopted more widely.
She cautions that “it would be wrong to characterize all opposition to vaccines as cranky or anti-science,” because there can be problems with vaccines.
“There is often a grain of truth at the bottom of it, and you need to listen,” she said.
Yet the risk they pose is so strong that Larson has now set up a vaccine trust group to monitor rumors that threaten vaccination programs.
Part funded by the Gates Foundation, the organization’s board includes De Quadros.
“When we look at vaccine scares, we see evidence that there was a problem flagged far in advance,” Larson said.
In the developed world, our children are well nourished and healthy and have easy access to medical care. It’s by no means a guarantee that they will not die of infectious disease, but it helps enormously. How shaming is it that the actions of those not threatened by infectious disease are now putting at risk the lives of those who are?
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