EDINBURG – In an effort to accommodate more people, pre-registration at the Edinburg COVID-19 Drive Thru Testing site is being waived. Beginning Tuesday, residents can show up to the site and be registered onsite for an appointment.The site is open to all residents of the Rio Grande Valley and people are still encouraged to pre-register online but now have a new option of registering onsite.“Since opening the site on January 18 we have tested more than 2,000 residents,” said County Judge Richard F. Cortez. “We encourage anyone who is experiencing symptoms or has been in contact with someone with COVID ...