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Unprecedented nationwide blood studies seek to track U.S. coronavirus spread
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Researchers are hoping to get a better handle on the percentage of Americans who have been infected with the new coronavirus by fishing through donated blood.
By Jon CohenScience’s COVID-19 reporting is supported by the Pulitzer Center.We still don’t know how many people have been infected with the novel coronavirus, SARS-CoV-2.
Not only have countries struggled to roll out wide-scale testing for the virus, those efforts inevitably will miss people who have recovered from an infection.
The best way to figure out how far and wide the virus has spread in a population is to look at blood. Antibodies, blood proteins that the immune system produces to attack pathogens, are viral fingerprints that remain long after infections are cleared.
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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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