Why Pfizer Could Be a Bigger Coronavirus Winner Than Moderna

There's one U.S. company developing a novel-coronavirus vaccine candidate that's probably been in the headlines more than any other. Moderna (NASDAQ:MRNA) made waves earlier this year with its rapid development of a COVID-19 vaccine candidate that uses messenger RNA (mRNA). The mRNA spurs the ribosomes to generate antigens that are like the spike protein in SARS-CoV-2 (the novel coronavirus), then the body responds by producing antibodies against it.