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A nurse prepares a shot for a clinical trial of a COVID-19 vaccine candidate developed by the National Institutes of Health and Moderna Inc., on July 27, 2020 in Binghamton, N.Y. (AP Photo/Hans Pennink, File)

COVID-19 vaccine FAQ: 6 things to look for in clinical trial results

With COVID-19 vaccine announcements making headlines, non-scientists need to know what clinical trial results mean. Here are some key points to look for in vaccine trial reports.
Pfizer stock surged higher on Nov. 9 after the company announced its vaccine is “90% effective” against COVID-19 infections. KENA BETANCUR/AFP via Getty Images

Why we didn’t get a vaccine by Election Day – but why we may get one soon

With COVID-19 cases soaring across the US and worldwide, the need for a vaccine could not be greater. Here’s where we stand on vaccine development, including positive results from Pfizer’s trial.

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