Fast Five Quiz: SARS-CoV-2 Variants Associated With COVID-19

Glenn Wortmann, MD; Antonio Di Biagio, MD


October 02, 2023

Editor's Note: The information in this quiz is current as of October 2023. For the most recent COVID information, see

As of October 2023, there have been over 770 million confirmed cases of coronavirus disease 2019 (COVID-19). Further, the World Health Organization (WHO) estimates that over 6.9 million deaths worldwide have been directly attributed to COVID-19. Vaccination against the SARS-CoV-2 is of the utmost importance for mitigating transmission and disease severity, and several effective vaccines across multiple platforms have been rolled out internationally. While > 13.5 billion vaccine doses have been administered to date, the emerging variants of SARS-CoV-2 have raised concerns about the efficacy of the currently used vaccines against these variants.

How familiar are you with SARS-CoV-2 variants? Test your knowledge with this quick quiz.


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