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Empathy Empowers Patients To Control Disease Outbreaks

by Hannah Joy on March 17, 2017 at 2:16 PM
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Empathy Empowers Patients To Control Disease Outbreaks

A little empathy goes a long way in halting infectious disease outbreaks. The empathy of a sick person towards others becomes important, as it helps the patient to engage and take charge of their health and well-being, as well as of others around them.

The Georgia Institute of Technology researchers used a networked variation of game theory to study how individual behavior during an outbreak of influenza or other illness affects the progress of the disease, including how rapidly the outbreak dies out.

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The study pitted the self-interests of susceptible individuals against those of infected persons, and found that only if sick persons took precautions to avoid infecting others could the illness be eradicated.

Healthy people attempting to protect themselves couldn't, by themselves, stop the disease from spreading. Among the key factors was empathy of infected persons.
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"We wanted to understand disease dynamics from an individual's perspective," said Ceyhun Eksin, researcher. "In particular, we wanted to know what role individual behavior plays in disease spread and how behavior might affect forecasting and consequences in the long run when there is an outbreak."

The research used mathematical models that took into account how infectious diseases spread and the effects of measures taken to control them. Public health initiatives against seasonal diseases like influenza tend to initially focus on immunization programs, which move individuals out of the "susceptible" category.

Once an outbreak begins, health campaigns focus on encouraging susceptible persons to take precautions such as hand-washing and avoiding infected people. The success of those measures may depend on individual perceptions of how great the risk of infection might be, noted Eksin.

The more awareness individuals have of infected persons around them, the more likely they are to protect themselves.

Perception can also affect the behavior of infected individuals, who may be more likely to stay home from work or cover their cough, for instance, if they believe their presence could infect a significant number of people.

"If an infected person really wants to attend a meeting at work, it's one thing if only one other person could be at risk," he said. "It may be a different thing if they could affect a whole office of susceptible people."

When the number of sick people is low, risk perception falls, leading susceptible people to reduce their precautions and sick people to feel less concern about infecting others.

If those sick persons then decide to head off to work despite their illness, they may infect unsuspecting susceptible people, causing the outbreak to continue.

"The behavior of the infected individuals can be more important than the behavior of the susceptible individuals in eradicating the disease," said Eksin. "A little bit of empathy can be crucial at this point."

While the researchers examined the results of individual actions during an outbreak, those individual decisions were actually related because individuals are part of networks of contacts. The study appears in the Journal Scientific Reports.



Source: ANI
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