Getting from virus discovery to even a moderately-effective vaccine in 100 days would indeed be a great achievement. That said, the current Covid surge data ev

Getting from virus discovery to even a moderately-effective vaccine in 100 days would indeed be a great achievement. That said, the current Covid surge data even across countries with 90%+ vaccination rates with 2- or even 3-dose regimes, do spread some considerable doubt about whether such a vaccine would be "pandemic-busting"