Unique new COVID-19 vaccination hub opens at Stonebriar Mall in Frisco Vaccine site with unique registration process opens in Frisco A new coronavirus vaccination site in Collin County distributes shots on a daily first-come, first-serve basis. But some people have reported problems with the registration process. FRISCO, Texas - People in Collin County now have access to two more COVID-19 vaccination hubs. One of those sites touts a frustration-free plan that avoids long waitlists but so far that’s not been the case. The biggest counties in North Texas have COVID-19 vaccine wait lists with hundreds of thousands of names on them. That’s why the city of Frisco decided to try a different tactic.