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What does doing enough coronavirus testing look like? Here’s a number to watch
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There are many things we would like to know about the novel coronavirus but don’t. How many cases are out there? Are we testing enough?
How could we tell if we were testing enough? Epidemiologists say looking at the ratio of positive tests to deaths gives us about as good an idea as we’re likely to get.
In general, the higher the number of tests in relation to each death, the better the surveillance is, and the better the chance that it’s finding people who are asymptomatic.
The lower the number, the better the chance that only a few of the most obvious cases are being found. Positive tests per death are a measure of how thorough testing is in a place in relation to the size of the problem. “Having more tests per death suggests that you are
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COVID-19
United States
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Cases: 46 252 513
Deaths: 750 423
Recovered: 0
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India
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Cases: 34 321 025
Deaths: 459 652
Recovered: 0
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Brazil
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Cases: 21 835 785
Deaths: 608 235
Recovered: 0
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United Kingdom
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Cases: 9 215 683
Deaths: 141 607
Recovered: 0
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Russia
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Cases: 8 494 589
Deaths: 237 619
Recovered: 0
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