Before revision: Fractional dose vaccination is a strategy that trades societal benefit for individual vaccine efficacy, has proven to be effective in randomized trials in poverty diseases, and in epidemiologic models holds a significant potential for shortening the COVID-19 pandemic when vaccine supply is limited.
After revision: Fractional dose vaccination is a strategy that trades societal benefit for individual vaccine efficacy, has proven to be effective in randomized trials in poverty diseases, and in epidemiologic models was thought to hold a significant potential for shortening the COVID-19 pandemic when vaccine supply is limited.