Across the state of Texas, a total of 800,433 viral and antibody tests have been reported through May 21, according to data from Texas Department of State Health Services obtained at 4:45 p.m. May 22.

About 92.4% of these administered tests were viral tests, and about 7.5% were antibody tests, per the testing data.

According to DSHS, the testing numbers include those performed by public labs, and private labs. At the county level, the state has not separated the number of viral and antibody tests.
Across seven Katy-area ZIP codes, the total number of confirmed positive coronavirus cases increased to 912 on May 22, from 887 on May 21.

Below is a breakdown of the coronavirus case data for Katy’s three counties. Only Harris County is reporting day-over-day changes in case counts among the Katy-area ZIP codes.

Harris County

The Harris County 2019 Novel Coronavirus dashboard reports a total of 325 active cases in six Katy-area ZIP codes as of 5 p.m. May 22.

Additionally, out of the 777 confirmed positive coronavirus cases since the beginning of the pandemic, there have 444 recoveries and eight deaths in the Katy-area ZIP codes in Harris County.
Countywide, Harris County has a total of 10,526 confirmed cases, of which 4,181 have recovered and 217 died. There are 6,128 active cases in the county.


The DSHS reports a total of 134,867 tests were administered in Harris County from April 21-May 21. This is an increase of 3,556 from data reported yesterday.

DSHS does not indicate whether these totals are diagnostic tests, antibody tests or both.

Fort Bend County

Fort Bend County’s Community Impact Dashboard is only reporting the total number of confirmed positive coronavirus cases since the beginning of the pandemic on the ZIP code level.

According to data available at 5:43 p.m. May 22, the county is reporting no day-over-day change in the number of cumulative confirmed postive COVID-19 cases in its three Katy-area ZIP codes
Countywide, Fort Bend County has a total of 1,661 confirmed cases, of which 485 have recovered and 41 died. There are 1,148 active cases in the county, a decrease of 14 active cases from the previous day.

The DSHS reports a total of 45,916 tests were administered in Fort Bend County from April 21-May 21. This is an increase of 927 from data reported yesterday.


Fort Bend County reports it has performed a total of 9,327 tests at its county-run sites since March 30. This is an increase of 451 from data reported yesterday.

Neither the DSHS nor the county indicate whether these totals are diagnostic tests, antibody tests or both.

Waller County

According to data available at 5:48 p.m. May 22, the county is reporting no day-over-day change in the number of cumulative confirmed positive COVID-19 cases in its two Katy-area ZIP codes.

Three cases in the Katy area have recovered. Neither the county nor the state is immediately providing the total number of administered tests at the ZIP code level.
Countywide, Waller County has a total of 45 confirmed cases—a daily increase of one—of which 36 have recovered and none have died.

DSHS reports 670 tests were administered in Waller County from April 21-May 21. This is an increase of 17 from data reported yesterday. DSHS does not indicate whether these totals are diagnostic tests, antibody tests or both.