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Opinion
Mark Buchanan

Quarantine Is Terrible, But It Works

Anyone who says lockdowns don’t work is simply wrong: Restricting human contact has had a dramatic effect on Covid-19’s infection rates.

No one said it would be easy.

No one said it would be easy.

Photographer: David Ramos/Getty Images

Corrected

In March, many governments around the world imposed strict controls on human meetings and movement — “lockdowns” — to slow the spread of coronavirus. The pandemic’s curves were soon “flattened,” sparing health services from being overrun. Now, in China, Europe, the U.S. and elsewhere, authorities are cautiously relaxing the rules. Lockdowns have been costly, but they helped us avoid a far worse catastrophe.

Yet our very success — tenuous as it is — has suddenly stirred contrarian voices, with some pondering the possibility that the lockdowns may not have had much effect. Statistician William Briggs insists that “there's no evidence the lockdown made a difference,” noting that the virus waned even in some nations — Taiwan, for example — that did not go into lockdown. An article in a right-wing British newspaper insists that there's not even a “shred of real proof” the lockdown did any good.