The Early Plan to Fight COVID with the Polio Vaccine

The COVID-19 pandemic has scientists considering a few less-conventional options while vaccines against SARS-CoV-2 are being developed. One option might be the oral polio vaccine. We chatted with one of the researchers proposing the idea—Dr. Robert Gallo—to understand why a vaccine that hasn’t been used in the US for two decades might provide short-term protection against this coronavirus.