Covid-19 lockdowns saved millions of lives and easing curbs risky, studies find

Issued on: 09/06/2020 – 07:18Modified: 09/06/2020 – 07:17

Lockdowns imposed to curb the spread of COVID-19 have saved millions of lives and easing them now carries high risks, according to two international studies published on Monday.


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"The risk of a second wave happening if all interventions and all precautions are abandoned is very real," Samir Bhatt, who co-led one of the studies by researchers at Imperial College London, told reporters in a briefing.

Most European nations, worried about the economic impact of their lockdowns, have started to ease restrictions as the number of new COVID-19 cases falls.

The Imperial study analysed the impact of lockdowns and social distancing steps in 11 European countries and found they had "a substantial effect", helping to lower the infection's reproductive rate, or R value, below one by early May.

The R value measures the average number of people that one infected person will pass the disease on to. An R value above 1 can lead to exponential growth.

"But any claims that this is all over, that we've reached the herd immunity threshold, can be firmly rejected," Bhatt said. "We are only at the beginning of this pandemic."

The Imperial team estimated that by early May, between 12 and 15 million people in total in Austria, Belgium, Britain, Denmark, France, Germany, Italy, Norway, Spain, Sweden and Switzerland – around 4% of their combined population – had been infected with COVID-19.

By comparing the number of deaths counted with deaths predicted by their model if no lockdown measures had been introduced, they found some 3.1 million deaths were averted.

A second study by scientists in the United States, published alongside the Imperial-led one in the journal Nature, estimated that lockdowns in China, Read More – Source

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