Progress on a viable coronavirus vaccine has been incredibly fast, with at least six candidates already in clinical trials and dozens more under preclinical evaluation, according to the World Health Organization.
Kizzmekia Corbett, a viral immunologist at the Vaccine Research Center, told CNN a coronavirus vaccine could be ready for emergency use authorization as early as fall 2020, and available to the US public in spring 2021.
Emergency use authorization, which allows medications to bypass final FDA approval, may be necessary for the coronavirus vaccine, in part, because of the short timeline anticipated for its rollout.
"The average length of time to make a vaccine is about 20 years," Paul Offit, director of the Vaccine Education Center at the Children's Hospital of Pennsylvania, told Business Insider. That includes animal models, small-scale studies, and eventually, clinical trials involving tens of thousands of people over a period of years.
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