Antibody improvement resembles rollercoaster, says Adar Poonawalla CEO Serum Institute of India Kumar Jeetendra | May 22, 2020 Adar Poonawalla, CEO, Serum Institute of India (SII), said on Thursday that building up an antibody resembles a rollercoaster ride with high points and low points. “Building up an antibody resembles riding a rollercoaster; there are a lot of high points and low points. Some of the time we come up short, here and there …