SANTA ANA (CNS)—Orange County supervisors Jan. 26 offered blistering criticism of Othena, the county’s app and website for COVID-19 vaccinations, as they raised concerns about a shortfall in the medicine and rising costs for testing and vaccines. Supervisor Don Wagner said many of his constituents have called him to complain about Othena. “Othena sucks,” Wagner said. “I’m getting that from 65-plus year-old age constituents of mine who are using that word. It’s a mess. It’s gotten better, but you know it’s a mess. Everyone on this board knows it’s a mess.” Dr. Clayton Chau, the county’s chief health officer and director of the Orange County Health Care Agency, defended the app and website, which he authorized before informing the board. “When setting up a system there’s always glitches,” Chau said, adding that in recent days it has “improved significantly.” Chau said a “large city” on the East Coast has called …