Fast Five Quiz: Risk Factors for SARS-CoV-2 Reinfection

Enrico Brunetti, MD


April 14, 2023

Editor's Note: The information in this quiz is current as of April 14, 2023. For the most recent COVID information, see

Since the beginning of the COVID-19 pandemic, SARS-CoV-2 has evolved and multiple variants of concern have been designated by the World Health Organization. The virus has slowly mutated, allowing it to evade the immune system enough to infect people more than once. An understanding of groups at risk for severe disease guides preventive measures and vaccination policies.

How much do you know about risk factors for SARS-CoV-2 reinfection? Test your knowledge with this quick quiz.


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