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The disease will disappear on its own, following a natural cycle
Some people will reject vaccinations based on unwarranted beliefs. For example, the claim that the body has a ‘natural healing potential’ or that ‘natural’ is always better. This may lead people to believe that suffering a ‘natural’ disease in order to achieve subsequent immunity is preferable to being vaccinated, which is the exact opposite of the actual risks.
Many adherents of ‘alternative medicine’ hold unwarranted beliefs and are sceptical of vaccinations.
Research has shown that these unwarranted beliefs are particularly shaped by ‘cognitive variables’, a psychological term which describes the ways in which people process information.
It is these cognitive variables that separate unwarranted beliefs from conspiracist beliefs, which is primarily influenced by perceived threat and emotional variables.
These cognitive variables include:
This theme is rooted in a type of magical thinking, where one believes that nothing needs to be done to combat the disease because it will automatically go away. Arguments may claim that this is part of a ‘natural’ process or cycle, hence vaccines are unnecessary.
Some diseases seem to disappear after some time, or change in nature. The pathogens that cause diseases do evolve. In some cases, they can evolve to be less harmful, while in other cases, they may become more harmful. There are also many diseases that used to cause high fatality rates that are no longer a problem today in most developed countries. So it is understandable to think that diseases go away on their own.
Dialogue between patients and healthcare professionals is most productive if it is guided by empathy, and an opportunity for the patient to affirm the reasons underlying their attitudes and to express understanding for that. That’s why it is important to understand the attitude roots behind people’s overt opinions. To affirm a person’s underlying attitude root does not mean we need to agree with the specifics of their argument. For example, we can acknowledge that:
Some diseases seem to disappear after some time, or change in nature. The pathogens that cause diseases do evolve. In some cases, they can evolve to be less harmful, while in other cases, they may become more harmful. There are also many diseases that used to cause high fatality rates that are no longer a problem today in most developed countries. So it is understandable to think that diseases go away on their own.
There is no guarantee that pathogens will evolve to become less severe. Evolution involves random processes, so they could equally become more harmful, like the Delta variant of COVID-19.
The reason why diseases like measles are less frequently seen is because enough people got vaccinated to prevent them from spreading. However even diseases that were under control saw recent outbreaks because people stopped vaccinating against them, thinking they had gone away.
Ultimately, vaccines are the best way to protect us against diseases.