Coronavirus cases are increasing in 29 states
Timing is key when it comes to getting accurate results from Covid-19 antibody tests that are used to determine if someone has been infected with the novel coronavirus, according to a new Cochrane Review paper.
Antibody tests are better at detecting Covid-19 in people two or more weeks after their symptoms started, but there is not yet enough evidence to determine how well they work more than five weeks after, or among people who had milder disease or no symptoms at all, suggests the review, published in the Cochrane Database of Systematic Reviews on Thursday.
“Time is critical. Use the test at the wrong time – it won’t work,” Jon Deeks, professor of biostatistics and head of the Biostatistics, Evidence Synthesis and Test Evaluation Research Group at the University of Birmingham in England, who was involved in the review, said during a virtual …continued .
[Original Source: CNN]