City of McAllen officials, in conjunction Hidalgo County, will be hosting a second dose Moderna COVID-19 vaccine DRIVE-THRU clinic on Friday, May 28, 2021 at the McAllen Convention Center, 700 Convention Center Boulevard. The second dose Moderna vaccines are for those who were vaccinated on April 30, 2021 at the McAllen Convention Center and the DRIVE-THRU clinic will run from 8:00 a.m. to 10:00 a.m. only. Confirmation e-mails will be sent to all, but if not, please arrive by 8:00 a.m. and bring a completed registration packet. Those documents can be found at https://www.mcallen.net/covid19/docs/Packet-1stDoseRegistration.pdf Those vaccinated on this day will receive free ...