Vox.com explains what a COVID-19 vaccine’s “efficacy rate” actually means and why comparing vaccines is tricky.
Vox.com explains what a COVID-19 vaccine’s “efficacy rate” actually means and why comparing vaccines is tricky.
Been sharing this one as much as possible on social media and with friends and family. That’s one of the best I’ve seen, so thank you for posting and sharing!
Thanks so much, Joan!