The first 1,000 people to show up can receive the one-dose shot. Credit: AP Vials of Johnson & Johnson COVID-19 vaccine sit in the pharmacy of National Jewish Hospital for distribution early Saturday, March 6, 2021, in east Denver. Volunteers worked with nurses and physicians from National Jewish to administer 2,500 vaccinations of the Johnson & Johnson vaccine that requires a single shot instead of two like the other vaccines. (AP Photo/David Zalubowski) Author: Haley Williams (KIII) Updated: 8:49 AM CDT April 7, 2021 CORPUS CHRISTI, Texas — If you have been waiting for the single dose Johnson & Johnson vaccine, today is your chance to receive one. The Corpus Christi–Nueces County Public Health District will give out 1,000 Johnson & Johnson vaccines beginning at 9 a.m., while supplies last, during a walk-thru clinic at the Richard M. Borchard Regional Fairgrounds, 1213 Terry Shamsie Boulevard in Robstown, Texas.