HOUSTON – Most big Texas cities no longer have their COVID-19 threat levels pegged on red (highest) alert. We wanted to know if the numbers are looking better, why are we still in the red zone? The Harris County system is based on 5 factors:Overall hospital capacityThe percentage of beds used for COVID-19 patientsThe overall number of cases in Harris CountyThe number of new COVID-19 casesThe number of COVID-19 tests coming back positiveWhat does Hidalgo say about the red alert? The latest positivity number is 6.7% according to Harris County’s graph. You can read more about the Harris County threat level on the Ready Harris website.