Why you can't compare Covid-19 vaccines What a vaccine's "efficacy rate" actually means. 2021-03-20 19:00:00 - Vox More Posts OpenAI CEO Sam Altman on the Future of AI (2023) Jessie J, Ariana Grande & Nicki Minaj | Bang Bang (2014) Matt Wolfe | AI Made This Song and Music Video For Free Ryan ToysReview | 19 million subs | $22 million | 17-03-2015 Jachtseizoen 2019 | 10 - Huntelaar op de Vlucht