Study: COVID-19 cases pose less risk to the fully vaccinated

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Vaccinated patients who contracted COVID-19 in “breakthrough” cases are much less likely to develop serious symptoms or die than unvaccinated patients, according to a study by the National Center for Global Health and Medicine.

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A breakthrough infection is when vaccinated people become infected with the novel coronavirus.

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Among patients 65 or older with breakthrough infections, the ratio of those who develop serious symptoms and must stay in intensive care units was about one-eighth that of unvaccinated patients, while the death rate dropped to one-third of the figure for unvaccinated patients.

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The survey covered 3,417 patients who were hospitalized nationwide on or after July 1 and whose medical information was reported by Sept. 22.

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The number of patients with breakthrough infections who developed symptoms after two weeks from becoming fully vaccinated was 54.

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The rate of unvaccinated patients aged 65 or older who stayed in ICUs was 16.3 percent, while for breakthrough patients it was just 2.3 percent.

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The death rate for unvaccinated patients was 14.7 percent while for breakthrough patients it was 4.5 percent.

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