Roll-out of the Pfizer/BioNTech vaccine has begun in the US as healthcare workers receive the first shots
Source:
https://www.newscientist.com/article/2262785-the-first-us-coronavirus-vaccinations-have-taken-place-in-new-york/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home