7-day average for the positivity rate in Texas
The seven-day average positivity rate is calculated by dividing the average of confirmed cases by the average of molecular tests conducted over the last seven days. States where the rates are over 10% are in the “red zone,” according to the The White House Coronavirus Task Force.
The state released a new, more accurate version of the positivity rate in September. Because this new formula relies on the date on which the test was administered, the rates for previous days will be recalculated as more test results from those dates come in.
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