. Vaccine tracker: The top contenders to stop the novel coronavirus « JO LEE MAGAZINE

CTV – Although some heads of major pharmaceutical companies have said a vaccine could be ready before the end of the year, other experts have cautioned that even 2021 may be an unrealistic timetable.

That uncertainty is an inherent part of the scientific process, but there are reasons for optimism. Hundreds of potential vaccines are in development, and some of the leading contenders have either already started human trials or will do so soon.

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