https://www.scientificamerican.com/article/coronavirus-news-roundup-november-7-november-13/

The items below are highlights from the free newsletter, “Smart, useful, science stuff about COVID-19.” To receive newsletter issues daily in your inbox, sign up here.

You probably heard about Pfizer and BioNTech's announcement on Monday (11/9/20) that early results of their large-scale Phase 3 human study of a vaccine against SARS-CoV-2 show that it has a whopping 90 percent effectiveness. The results have not yet been published or scrutinized by outside experts, but no one anticipated such a positive result and many scientists are excited (although note cautious reaction of Dr. Michael Osterholm, director of the University of Minnesota’s Center for Infectious Disease Research and Policy, in Matthew Herper’s 11/9/20 story at STAT).