How many people in L.A. actually have coronavirus? Why health officials still don't know for sure
suggested the coronavirus has circulated much more widely than previously thought in Silicon Valley and Los Angeles County.Almost immediately, there have been questions from other epidemiologists around the country about whether those estimates were too high.
The findings underscore that many more studies are needed before we better understand how widely the disease has spread. “Antibody levels may have waned amongst persons who had been infected early in the pandemic prior to the safer-at-home order,” said Barbara Ferrer, director of public health in L.A. County. The order was implemented March 19.“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.
Rutherford said he thought losing antibodies to the coronavirus is the least likely explanation for the difference in results between the two studies.that a study will find too many false positives, Rutherford said.To deal with that risk, you don’t release the first study’s results immediately; you run a second test using a different technique on the first set of lab specimens, Rutherford said.
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