Pfizer succeeds! 90% effective vaccine! What's next?

Pfizer made it! On 9 November, Pfizer made an announcement declaring positive interim results from a COVID-19 vaccine phase III trial. In the press release, Pfizer said they had identified 94 cases of COVID-19 among more than 40,000 trial participants. While the company did not disclose how many of those were in the controlled group, they claimed the vaccine was…