Biotechnology company Moderna claims that their COVID-19 vaccine candidate is 94.5 percent effective, based on early data. That’s slightly higher than the 90 percent efficacy of a vaccine by Pfizer and BioNTech—which was announced last week. “Aspirationally, you would like to see 90, 95 percent, but I wasn’t expecting it. I thought we’d be good, but … Continue reading COVID-19 vaccine by Moderna is 94.5% effective, based on early data