A beer with your shot: San Antonio vaccine clinics offering free perks FacebookTwitterEmail Lydia Guerrero receives her coronavirus vaccine at a mobile clinic organized by the city of San Antonio at St. Henry’s Catholic Church south of downtown.Jessica Phelps /San Antonio Express-News People who get coronavirus shots this weekend at certain pop-up clinics operated by WellMed and the city’s Metropolitan Health District will receive free perks. Anyone who gets vaccinated at the following locations can get a one-day ticket to Six Flags Fiesta Texas, valid through Sept. 6 and courtesy of Metro Health. All three clinics offer the Johnson & Johnson vaccine to persons 18 and older.