HOUSTON – The Texas Department of State Health Services surveyed vaccine providers about their capacity to operate large community vaccination sites this week and have provided a list of three vaccine hubs in the Houston area. Large and small sites around Texas will receive a total of about 200,000 doses of vaccine this week. Providers in 104 counties will receive vaccine shipments this week, bringing the cumulative number of counties to 222. The vaccine has been administered to residents of all 254 Texas counties, DSHS said. Texas providers will also receive about 500,000 doses intended as the second dose for people first vaccinated a few weeks ago, health officials said.