Inside the detective-style hunt for missed COVID-19 cases: A small group of doctors across the US are reviewing tissue and blood samples preserved from autopsies in an effort to find the earliest cases.
City and county medical examiners and coroners are taking up the bulk of this retrospective work, retesting blood and tissue samples preserved from autopsies to potentially uncover cases that may have gone undetected when testing was less available.
Thanks to funding from the county, Gilson and his team have been able to perform antibody testing on 350 deceased people. About 3% came back positive, but additional testing on tissue samples pulled from the same bodies came back negative. He believes the antibody tests were false positives and cautions against relying on antibody testing for retrospective research.
“People are dying at home without any medical diagnosis — we're the last chance to catch those people and make sure that steps are taken to help contain the virus and spread,” said Dr. Christopher Young, the Ventura County chief medical examiner, who has started reviewing files as far back as December.Ventura County Medical Examiner's Office
“As a physician and a forensic pathologist, I definitely would like to make sure we have accurate causes and that's why we do all the tests that we do on any case: to try to come to the right conclusion,” Young said. “We are still very, very much in the thick of things,” said Andrea Bowers, spokeswoman for the Imperial County Public Health Department."So, we've had to bring in additional contact tracers, case investigators and epidemiology staff, and so they really have not had a moment to kind of look backwards.”
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