In early February the CDC decided to set up an early warning system for COVID-19 outbreaks, tests samples in six cities. But when it was finally running five weeks later, it was too late to warn some cities.
Dr. Brad Spellberg, the chief medical officer at Los Angeles County + USC Medical Center, was eager to help do surveillance testing from the get-go."If you don't look at it, you're missing the canary in the coal mine," he says."You're waiting for the coal mine to collapse on you."Dr. Brad Spellberg, the chief medical officer at Los Angeles County + USC Medical Center, was eager to help do surveillance testing from the get-go.
Three days after the Los Angeles surveillance study wrapped up, Los Angeles Mayor Eric Garcetti added a new strategy,, with certain exceptions. So far, the county's hospitals have not been overwhelmed by COVID-19 patients. But as a research project, the Seattle Flu Study's coronavirus test — developed by the study's researchers — wasn't yet authorized by the Food and Drug Administration, and the lab the study used wasn't certified to do clinical work for patients.
Meanwhile, King County, Wash., health officials continued working to find other clinics to partner with for sentinel surveillance testing, as the CDC suggested — clinics that would collect samples to be sent to the CDC labs in Atlanta for processing.
In the first week of that testing, the state found no cases of community spread , and it found one case the next week. Hawaii issued its stay-at-home order to begin March 25. Since then, Hawaii hasthrough its flu-surveillance network. As of April 17, 2.1% of those cases have come back positive for the coronavirus.
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