Cars are guided to COVID-19 vaccinations at the Petco Park parking lot super station. Photo by Chris Stone

A nationwide shortage of Moderna vaccine will close the Petco Park COVID-19 vaccination site Saturday through Tuesday, it was announced Friday, even as San Diego County prepares to expand vaccine eligibility to half a million people.

According to UC San Diego Health, which runs the county’s largest vaccine site at Petco Park, county officials are closing the site and all appointments will be rescheduled. The site only administers the Moderna COVID-19 vaccine.

People who were scheduled can check their MyUCSDChart account — the health system’s electronic notification system — or email for details.

It is the third time in as many weeks that the Petco Park site closed due to a Moderna vaccine shortage.

The closure comes at an inopportune time, as more than 500,000 emergency services, child care and education, as well as food and agriculture workers were scheduled to be able to receive vaccines beginning Saturday.

The county has received over 100,000 doses of vaccines in the past few days, but is prioritizing second doses at this time.

Vaccine production and distribution by Moderna, whose main plant is in Massachusetts, and to a lesser extent Pfizer, which is located in Michigan, have been disrupted by winter storms.

While the county is prioritizing second doses, other vaccination super stations and smaller points of distribution that use the Pfizer vaccine will continue to administer first doses this weekend and into next week, as supplies allow.

Updated at 8:05 p.m., Friday, Feb. 26, 2021

City News Service contributed to this report

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