Limitations: The examine authors CDC and state departments of well being be aware that antibody exams can yield false-positive outcomes, however the one used within the examine had a 96 p.c probability of appropriately figuring out folks with antibodies.
The truth that samples had been collected from folks looking for well being care might additionally bias the outcomes, the authors mentioned.
“It’s potential that specimens had been drawn from sufferers looking for look after suspected COVID-19 signs, probably biasing outcomes, significantly in settings akin to NY the place illness incidence was greater,” they wrote.
What’s subsequent: Demand for diagnostic testing that detects an energetic coronavirus an infection remains to be higher than provide, indicating the variety of infections remains to be more likely to be undercounted.
Quest Diagnostics, a significant testing supplier, introduced Monday night it could take as much as 14 days to return outcomes for sure sufferers and common wait occasions are nonetheless greater than every week. The corporate is telling well being suppliers to restrict sending in samples from sufferers that “are more likely to be at decrease danger.”