New Estimate Suggests Just 1 in 4 Americans Exposed to COVID-19 as of January

new estimate suggests just 1 in 4 americans exposed to covid 19 as of january

Sumary of New Estimate Suggests Just 1 in 4 Americans Exposed to COVID-19 as of January:

  • The investigators performed SARS-CoV-2 antibody testing on the remainder plasma (which otherwise would have been discarded) from patients receiving dialysis at US Renal Care facilities in January 2021. US Renal Care is a nationwide network of more than 500 dialysis providers.
  • The investigators found a seroprevalence of SARS-CoV-2 antibodies of 18.9% among the study population.
  • At the time the paper was written, about 25 million confirmed cases had been reported in the US, though epidemiologists knew the actual number of infections was likely considerably higher, since some people have asymptomatic cases, and because not everyone with symptoms gets tested.
  • ”If exposure was far less than previously assumed, that means the number of people with SARS-CoV-2 antibodies through natural exposure is also less than people assumed, Anand noted.
  • “In fact, the main message from our work is that by January 2021, prior to widespread vaccine rollout, a majority of the US population still remained vulnerable to COVID-19 infection,” she said.
  • “More than 75% of US adults had no evidence of having survived SARS-CoV-2 infection, which means that, without vaccination, disease surges would have continued.

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