They tested positive for COVID-19, then negative, all within 24 hours. Which test was right? Two FOX6 News viewers who have never met share a similar story of conflicting results, and a top health official says he knows which result they should trust....
[UW Health Quality Officer] Dr. Pothof said the most accurate test is the nasopharyngeal -- or deep nasal -- swab, which is right about 99% of the time.
"As far as medical tests go, that's about the best we can do," said Dr. Pothof.
But many community testing sites -- including all of the state's National Guard sites -- use a shallow nasal swab test, which Dr. Pothof said has a bit more room for error.
"So you lose a little bit of sensitivity and specificity, but you can test many more people much quicker," he said.
To be clear, Jones and Cameron each had one test at a hospital drive-up site and one at a National Guard testing site. However, Jones' positive test came from a National Guard site, while his negative came from the hospital. For Cameron, it was the other way around.
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