WEB DESK Diana Berrent who emerged from quarantine, recovered Covid-19 patient, is eager to join the battle against the pandemic and donate precious antibodies that researchers hope might help others. In midMarch, the New Yorker woke up with a 102-degree fever and intense chest heaviness, becoming one of the first from her Long Island neighborhood to test positive for the coronavirus. This week, Berrent was the first survivor in her state screened for antibodies — immune system generated proteins that can ward off viruses — to contribute to initial tests seeking treatment for the infection that’s left more than 51,000 people dead worldwide. Convalescent plasma, the fluid in blood teeming with antibodies post-illness, has proven effective in small studies to treat infectious diseases including Ebola and Sars.