Tag: Blood Disorders
Evidence Poor for Accuracy of Serological Tests for COVID-19
Evidence for diagnostic accuracy of serological tests characterized by high risks of bias, heterogeneity
FBI Warns of Scammers Selling Fake COVID-19 Antibody Tests
Consumers can protect themselves by checking FDA website for a list of approved antibody tests, testing companies
Antibody Tests ID COVID-19 Two to Three Weeks After Symptoms
After onset of symptoms, sensitivity is low in first week, increases in second week, peaks in third week
Convalescent Plasma Safe for Diverse Patients With COVID-19
Incidence of SAEs, including transfusion reactions, thromboembolic or thrombotic events, is low
Blood Donors Will Get Results of Coronavirus Antibody Test, Red Cross Says
Positive test result does not confirm immunity to the virus, and test is not meant to diagnose illness
Most Teens Recover Iron Stores One Year After Whole Blood Donation
Less than half of blood donors with low ferritin at index achieved adequate stores within 12 months
Long-Term Rituximab May Aid in Antibody-Associated Vasculitis
Relapse rates lower versus placebo in granulomatosis with polyangiitis, microscopic polyangiitis
CDC: Coronavirus Antibody Tests Still Not Accurate Enough
Too little is known about what the presence of antibodies means in terms of future immunity
Convalescent Plasma Appears Promising for Severe COVID-19
In series of 25 patients, 19 experienced improvement in clinical status by day 14; 11 were discharged
FDA Goes After Unproven COVID-19 Antibody Tests
Companies selling tests will be required to submit data proving accuracy within next 10 days