Myths tend to be persistent and require periodic maintenance debunking. The anti-vaccine movement arguably can credit its recent increase in effect to successfully spreading fears that vaccines in general, and particularly either the MMR vaccine (mumps, measles, and rubella) or the vaccine preservative thimerosal, are linked to autism. This claim was never based on legitimate science, and over the last 15 years has been overwhelmingly repudiated by multiple independent lines of scientific evidence.
It is easier to spread fears than it is to reassure anxious parents with abstract scientific data, but still we must try. It also seems that giving people information is not an effective way to change their opinions or their behavior. But at the very least I hope to better inform those who are already on board with the science-based approach, and perhaps we can reach the occasional person on the fence who is simply misinformed and open to changing their mind.
A new meta-analysis seems like a good opportunity to remind the public that vaccines are safe and effective, and that they are not linked to neurodevelopmental disorders. The study is: “Vaccines are not associated with autism: An evidence-based meta-analysis of case-control and cohort studies,” by Taylor, Swerdfeger and Eslick, is published in the journal Vaccine. They found: (more…)