One of the most important principles of epidemiology is weighing benefits and harms. A failure to do this can make virtually any medical treatment seem helpful or destructive. In the words of Ronald C. Kessler of the Harvard Medical School and healthcare economist Paul E. Greenberg, “medical interventions are appropriate only if their expected benefits clearly exceed the sum of their direct costs and their expected risks.”
Likewise, a 2020 paper about quarantines published in The Lancet states: “Separation from loved ones, the loss of freedom, uncertainty over disease status, and boredom can, on occasion, create dramatic effects. Suicide has been reported, substantial anger generated, and lawsuits brought following the imposition of quarantine in previous outbreaks. The potential benefits of mandatory mass quarantine need to be weighed carefully against the possible psychological costs.”
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