Swab, check, repeat: A 2nd fast COVID check greater than doubled end result accuracy

Extreme close-up photograph of fingers handling a cardboard strip.

Enlarge / A pharmacist on the Neighborhood Pharmacy of Saco demonstrates how Abbott’s BinaxNow COVID-19 Ag Card House Check works by utilizing a nasal swab and an answer onto a check strip. (credit score: Getty | Portland Press Herald)

To shortly verify an asymptomatic case of COVID-19, a second fast check inside an hour of a constructive end result can increase the accuracy of the end result from 38 % to 92 %, in response to a brand new examine in JAMA Community Open.

The discovering might information future use of fast assessments for quick-turnaround selections on interventions, in addition to in conditions the place lab-based PCR testing is just too pricey or unavailable completely.

At the moment, fast assessments are thought-about most correct when used on people who find themselves suspected of getting COVID-19 and are inside the first seven days of getting COVID-19-related signs. Abbot’s BinaxNow fast check, for instance, precisely recognized infections in about 82 % of symptomatic individuals (102/125 circumstances) and supplied correct adverse leads to about 98 % of symptomatic individuals (227/231 circumstances).

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