Harris County Department of Health Covid Vaccinations May 6, 2022 9:00 am – 4:00 pm Fellowship Hall 16526 Ella Boulevard Houston, TX 77090 Get Directions Time: 9:00a.m. to 4:00p.m. First, Second and Booster vaccinations will be available free of charge. Walk-ins are welcome and no registration is required. Location: Entire Fellowship Hall