【新型コロナ】ハーバード大教授「人類の４０～７０％が感染するけど心配しなくていい」

You’re Likely to Get the Coronavirus
Most cases are not life-threatening, which is also what makes the virus a historic challenge to contain.

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Lipsitch predicts that, within the coming year, some 40 to 70 percent of people around the world will be infected with the virus that causes COVID-19.
But, he clarifies emphatically, this does not mean that all will have severe illnesses.
“It’s likely that many will have mild disease, or may be asymptomatic,” he said.
As with influenza, which is often life-threatening to people with chronic health conditions and of older age, most cases pass without medical care.
(Overall, around 14 percent of people with influenza have no symptoms.)

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https://www.theatlantic.com/health/archive/2020/02/covid-vaccine/607000/