McMaster tours Myrtle Beach mass vaccination clinic, shares support for event McMaster tours Myrtle Beach mass vaccination clinic, shares support for event By Jennifer Roberts | March 2, 2021 at 11:19 PM EST - Updated March 2 at 11:19 PM MYRTLE BEACH, S.C. (WMBF) - South Carolinaâs governor made a stop at the mass vaccination event held at the Myrtle Beach Convention Center on Tuesday. The city of Myrtle Beach and McLeod Health partnered up to put on the two-day event, where 5,000 people will receive their first dose of the COVID-19 vaccine. RELATED COVERAGE | The governor toured the clinic with Myrtle Beach Mayor Brenda Bethune.