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Autism and Vaccines
Autism spectrum disorders (ASD) are a range of psychological conditions characterized by challenges with social interaction, behavior, speech, and nonverbal communication. While there is no general consensus among medical professionals about the underlying causes of ASD, theories range from genetic inheritance to environmental factors.
One of the most controversial theories to have emerged in recent times is that ASD could be caused by the MMR [mumps, measles, rubella] vaccine that was first developed in the 1960s. The vaccine is a mixture of three live viruses and is administered via injection to children when they are one year old. By the late 1990s, this vaccination had led to the near-eradication of measles in countries that employed widespread inoculation. However, a combination of spurious scientific data and alarmist media attention led to an entirely preventable resurgence in measles cases in the early 21st century.
The first claims of a connection between the MMR vaccine and autism were made in 1998, when an article in The Lancet, a respected British medical journal, reported on eight cases of autism that could possibly be traced back to the administration of an MMR vaccine.
An onslaught of media coverage followed the publication of this article. The popular press quickly seized upon this story; in 2002, over 1200 articles were written about the link between MMR vaccines and ASD. Less than 30% of these articles, however, mentioned that an overwhelming amount of scientific evidence suggested that these vaccinations were completely safe.
Question: Which of the following is NOT true about ASD according to the passage?
Perfectly Inelastic
A situation in which the demand for a good or service does not change in response to changes in price.
Elasticity of Demand
A measure of how much the quantity demanded of a good responds to a change in the price of that good, with higher elasticity indicating greater responsiveness.
Degree of Elasticity
A measure of how much the quantity demanded of a good responds to a change in the price of that good, providing insight into the good's price sensitivity.
Availability of Substitutes
The presence of alternative products or services that consumers can choose instead of the primary product, affecting the demand and price elasticity of goods.
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