Orange County’s vaccination efforts faced another challenge Feb. 10 when a refrigeration problem at its Aliso Viejo super site rendered some doses currently unusable. “We are working with the vaccine manufacturer to determine if the vaccine can be used and will confirm at a later time,” county spokesperson Molly Nichelson told The Epoch Times. “Additional vaccine was brought in to fulfill all of the appointments scheduled at Soka.  No disruption to our vaccination efforts.” About 6,000 doses of the Pfizer vaccine were potentially spoiled at the Soka University vaccination site in Aliso Viejo, said Orange County chief executive Frank Kim. “It’s in that range,” Kim told City News Service. “We don’t have an exact number yet.” The potential setback happened as the Orange County Board of Supervisors continues to lobby the state for a larger allotment of vaccine doses. The Orange County Health Care Agency’s (OCHCA) inoculation efforts could move …