Nearly 1,000 Moderna vaccines are available on a first-come, first-served basis at the Robert M. Capello Sr. Gymnasium at Edcouch-Elsa High School, Hidalgo County announced Thursday morning. 

No appointments are needed to receive the vaccine, officials said. 

The clinic is located at Hwy 107 & Mile 4 Road West in Edcouch and will run until 2 p.m. today.