There are reports of some people testing positive for COVID-19 once, and then negative several times in the following days.
Prevea Health President Dr. Ashok Rai tells Action 2 News the most common type of tests have a very small margin of error of less than three percent.
Rai adds that a positive test, followed immediately by negative ones, could be the result of someone being at the very end of a COVID-19 infection.
