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Antibodies decrease with time after COVID-19 symptom onset

Antibodies Decrease With Time After COVID-19 Symptom Onset

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For all donors of convalescent plasma, drop seen in anti-RBD antibody levels from first to last donation
For patients with COVID-19

Red Blood Cell Distribution Width, Mortality Tied in COVID-19

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Elevated RDW and increase in RDW during hospitalization linked to increased mortality risk
There is no evidence to support the use of convalescent plasma to treat COVID-19 patients

No Proof Convalescent Plasma Effective Against COVID-19

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NIH panel says data are insufficient to recommend either for or against the use of convalescent plasma
The use of blood plasma from COVID-19 survivors to treat patients hospitalized with the disease is still considered experimental

WHO: Plasma Therapy for COVID-19 Still Experimental

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FDA 'emergency use authorization' does not mean plasma therapy has been proven safe and effective
The U.S. Food and Drug Administration on Sunday cleared the way for more hospitalized COVID-19 patients to be treated with the blood plasma of COVID-19 survivors.

FDA Approves Wider Use of Plasma as COVID-19 Treatment

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President Donald Trump announced emergency approval as 'breakthrough' treatment during a news briefing Sunday
The U.S. Food and Drug Administration emergency approval of blood plasma as a COVID-19 treatment was put on hold last week after senior federal health officials said data supporting the therapy were too weak.

FDA Emergency Approval on Hold for Blood Plasma to Treat COVID-19

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More data are under review; the approval could still be issued in the near future
Transfusion of convalescent plasma is efficacious in patients with severe COVID-19

Convalescent Plasma Efficacious for Severe COVID-19

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Significant reduction seen in mortality, specifically among patients transfused with plasma within 72 hours
Existing evidence on the diagnostic accuracy of serological tests for COVID-19 is characterized by high risks of bias and heterogeneity

Evidence Poor for Accuracy of Serological Tests for COVID-19

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Evidence for diagnostic accuracy of serological tests characterized by high risks of bias, heterogeneity
Fake or unapproved COVID-19 antibody tests are being sold by scammers

FBI Warns of Scammers Selling Fake COVID-19 Antibody Tests

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Consumers can protect themselves by checking FDA website for a list of approved antibody tests, testing companies
Antibody testing may detect severe acute respiratory syndrome coronavirus 2 infection

Antibody Tests ID COVID-19 Two to Three Weeks After Symptoms

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After onset of symptoms, sensitivity is low in first week, increases in second week, peaks in third week