SAN ANTONIO The only thing good to say about San Antonio's spike in Covid-19 cases is that there will be potentially many more people who can donate their antibodies to those who are newly sick. Dr. Rahaf Alkahateb, a University Hospital transfusion medicine fellow, said the surge of new cases is putting their work front and center. As of today, over 118,000 patients received convalescent plasma all over the state in our hospitals so far, she said. RELATED: Need for convalescent plasma, COVID-19 medicine worries San Antonio-area doctorsIn just the last two weeks, 50 of those patients were at University Hospital, a part of the spike San Antonio is now seeing of Covid-19. RELATED: Plasma donations sought in San Antonio to help treat COVID-19 patients