COVID vaccine appointments available across San Diego County despite supply concerns Despite concerns over vaccine supply, there are appointments available across San Diego for those currently in an eligible phase. Author: Abbie Alford (Reporter) Updated: 11:05 PM PST February 16, 2021 LA MESA, Calif. — San Diego’s first vaccine super station is set to reopen on Wednesday, but supply remains a problem. The Petco Park vaccine site was forced to close last week after a shipment delay, and this comes as a massive winter storm could delay more shipments across the country. Despite the challenges, News 8 still found vaccine appointments available in San Diego County.