Don’t Cheer Yet – There Is Too Much at Stake on COVID-19 Vaccines

“Yesterday, Pfizer/BNTech issued a press release on the status of their COVID-19 vaccine candidate that is encouraging. But what does a vaccine being ’90 percent effective’ mean? With fewer than 100 participants across the intervention and control arms, no data on safety yet, and no peer review, caution is in order.”

via Center for Global Development