How many people in L.A. actually have coronavirus? Why health officials still don't know for sure
Anti-black online hate speech prompted students at Granada Hills Charter High School to speak out against racism.
Random chance could also be a reason. “If you toss a coin 10 times, you don’t always get five heads. Sometimes you might get one head and sometimes you might get all 10 as a head,” said Sood, who is also an author of the Stanford report, at a recent press conference. “I want to emphasize that this is completely speculative at this time. We haven’t fully investigated this issue, but this is something we will look at,” Sood said. “This is right now just a potential explanation. It doesn’t mean that we think this is a likely explanation.”
It’s also possible the first L.A. County study was simply problematic. The first studies of antibody prevalence in L.A. and Santa Clara counties came underThe simplest answer is that the first L.A. County study had too many false positives, said Dr. George Rutherford, epidemiologist and infectious-diseases expert at UC San Francisco."I suspect what was really going on was ... they overestimated to start with and now they’re coming out with probably a closer estimate.
Rutherford said across California, he suspects that 1% of residents have been infected with the coronavirus at some point. It could be higher in Los Angeles County, but Rutherford said he thought even a 2% prevalence rate for L.A. County may be slightly high.with the coronavirus is too high, and he could see it perhaps being 10%.
Sood also said the test his team used, sold by Minneapolis-based Premier Biotech, was informally evaluated by the U.S. Food and Drug Administration for accuracy and had good results: The FDA found a 0% false positive rate and a 7% false negative rate, Sood said. The FDA has allowed Premier Biotech’s coronavirus antibody test to be used for research purposes but not yet for clinical purposes.Finally, Sood said his study’s results are consistent with what he says is the U.S.
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